Home / 87,287.31-120,447.14-58,601.16

Finding the Fourth Proportional to 87,287.31, 120,447.14 and 58,601.16

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Solution

The fourth proportional to 87,287.31, 120,447.14 and 58,601.16 is: 80,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,287.31 : 120,447.14 = 58,601.16 : x
  2. Step 2: Convert to fraction form
    87,287.31/120,447.14 = 58,601.16/x
  3. Step 3: Cross multiply
    87,287.31x = 120,447.14 × 58,601.16
  4. Step 4: Simplify right side
    87,287.31x = 7,058,341,829.68
  5. Step 5: Solve for x
    x = 7,058,341,829.68/87,287.31
  6. Step 6: Final answer
    x = 80,863.32

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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.