Home / 87,877.38-131,838.54-25,547.88

Finding the Fourth Proportional to 87,877.38, 131,838.54 and 25,547.88

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Solution

The fourth proportional to 87,877.38, 131,838.54 and 25,547.88 is: 38,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,877.38 : 131,838.54 = 25,547.88 : x
  2. Step 2: Convert to fraction form
    87,877.38/131,838.54 = 25,547.88/x
  3. Step 3: Cross multiply
    87,877.38x = 131,838.54 × 25,547.88
  4. Step 4: Simplify right side
    87,877.38x = 3,368,195,199.30
  5. Step 5: Solve for x
    x = 3,368,195,199.30/87,877.38
  6. Step 6: Final answer
    x = 38,328.35

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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.