Home / 87,294.07-120,462.42-53,359.38

Finding the Fourth Proportional to 87,294.07, 120,462.42 and 53,359.38

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Solution

The fourth proportional to 87,294.07, 120,462.42 and 53,359.38 is: 73,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,294.07 : 120,462.42 = 53,359.38 : x
  2. Step 2: Convert to fraction form
    87,294.07/120,462.42 = 53,359.38/x
  3. Step 3: Cross multiply
    87,294.07x = 120,462.42 × 53,359.38
  4. Step 4: Simplify right side
    87,294.07x = 6,427,800,044.50
  5. Step 5: Solve for x
    x = 6,427,800,044.50/87,294.07
  6. Step 6: Final answer
    x = 73,633.87

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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.