Home / 87,700.28-131,564.16-28,522.08

Finding the Fourth Proportional to 87,700.28, 131,564.16 and 28,522.08

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Solution

The fourth proportional to 87,700.28, 131,564.16 and 28,522.08 is: 42,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,700.28 : 131,564.16 = 28,522.08 : x
  2. Step 2: Convert to fraction form
    87,700.28/131,564.16 = 28,522.08/x
  3. Step 3: Cross multiply
    87,700.28x = 131,564.16 × 28,522.08
  4. Step 4: Simplify right side
    87,700.28x = 3,752,483,496.65
  5. Step 5: Solve for x
    x = 3,752,483,496.65/87,700.28
  6. Step 6: Final answer
    x = 42,787.59

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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.