Home / 87,266.77-120,441.17-53,294.80

Finding the Fourth Proportional to 87,266.77, 120,441.17 and 53,294.80

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Solution

The fourth proportional to 87,266.77, 120,441.17 and 53,294.80 is: 73,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266.77 : 120,441.17 = 53,294.80 : x
  2. Step 2: Convert to fraction form
    87,266.77/120,441.17 = 53,294.80/x
  3. Step 3: Cross multiply
    87,266.77x = 120,441.17 × 53,294.80
  4. Step 4: Simplify right side
    87,266.77x = 6,418,887,580.78
  5. Step 5: Solve for x
    x = 6,418,887,580.78/87,266.77
  6. Step 6: Final answer
    x = 73,554.78

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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.