Home / 86,455.34-119,308.13-48,214.92

Finding the Fourth Proportional to 86,455.34, 119,308.13 and 48,214.92

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Solution

The fourth proportional to 86,455.34, 119,308.13 and 48,214.92 is: 66,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,455.34 : 119,308.13 = 48,214.92 : x
  2. Step 2: Convert to fraction form
    86,455.34/119,308.13 = 48,214.92/x
  3. Step 3: Cross multiply
    86,455.34x = 119,308.13 × 48,214.92
  4. Step 4: Simplify right side
    86,455.34x = 5,752,431,702.23
  5. Step 5: Solve for x
    x = 5,752,431,702.23/86,455.34
  6. Step 6: Final answer
    x = 66,536.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.