Home / 87,356.79-131,064.35-34,752.15

Finding the Fourth Proportional to 87,356.79, 131,064.35 and 34,752.15

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Solution

The fourth proportional to 87,356.79, 131,064.35 and 34,752.15 is: 52,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,356.79 : 131,064.35 = 34,752.15 : x
  2. Step 2: Convert to fraction form
    87,356.79/131,064.35 = 34,752.15/x
  3. Step 3: Cross multiply
    87,356.79x = 131,064.35 × 34,752.15
  4. Step 4: Simplify right side
    87,356.79x = 4,554,767,777.09
  5. Step 5: Solve for x
    x = 4,554,767,777.09/87,356.79
  6. Step 6: Final answer
    x = 52,139.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.