Home / 86,455.82-119,308.79-48,215.41

Finding the Fourth Proportional to 86,455.82, 119,308.79 and 48,215.41

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Solution

The fourth proportional to 86,455.82, 119,308.79 and 48,215.41 is: 66,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,455.82 : 119,308.79 = 48,215.41 : x
  2. Step 2: Convert to fraction form
    86,455.82/119,308.79 = 48,215.41/x
  3. Step 3: Cross multiply
    86,455.82x = 119,308.79 × 48,215.41
  4. Step 4: Simplify right side
    86,455.82x = 5,752,522,048.72
  5. Step 5: Solve for x
    x = 5,752,522,048.72/86,455.82
  6. Step 6: Final answer
    x = 66,537.13

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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.