Home / 87,853.38-121,237.13-47,566.28

Finding the Fourth Proportional to 87,853.38, 121,237.13 and 47,566.28

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Solution

The fourth proportional to 87,853.38, 121,237.13 and 47,566.28 is: 65,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,853.38 : 121,237.13 = 47,566.28 : x
  2. Step 2: Convert to fraction form
    87,853.38/121,237.13 = 47,566.28/x
  3. Step 3: Cross multiply
    87,853.38x = 121,237.13 × 47,566.28
  4. Step 4: Simplify right side
    87,853.38x = 5,766,799,693.98
  5. Step 5: Solve for x
    x = 5,766,799,693.98/87,853.38
  6. Step 6: Final answer
    x = 65,641.18

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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.