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Finding the Fourth Proportional to 87,593.52, 120,879.02 and 47,307.29

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Solution

The fourth proportional to 87,593.52, 120,879.02 and 47,307.29 is: 65,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,593.52 : 120,879.02 = 47,307.29 : x
  2. Step 2: Convert to fraction form
    87,593.52/120,879.02 = 47,307.29/x
  3. Step 3: Cross multiply
    87,593.52x = 120,879.02 × 47,307.29
  4. Step 4: Simplify right side
    87,593.52x = 5,718,459,274.52
  5. Step 5: Solve for x
    x = 5,718,459,274.52/87,593.52
  6. Step 6: Final answer
    x = 65,284.04

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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.