Home / 86,590.15-119,496.43-48,348.40

Finding the Fourth Proportional to 86,590.15, 119,496.43 and 48,348.40

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Solution

The fourth proportional to 86,590.15, 119,496.43 and 48,348.40 is: 66,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,590.15 : 119,496.43 = 48,348.40 : x
  2. Step 2: Convert to fraction form
    86,590.15/119,496.43 = 48,348.40/x
  3. Step 3: Cross multiply
    86,590.15x = 119,496.43 × 48,348.40
  4. Step 4: Simplify right side
    86,590.15x = 5,777,461,196.21
  5. Step 5: Solve for x
    x = 5,777,461,196.21/86,590.15
  6. Step 6: Final answer
    x = 66,721.92

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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.