Home / 87,882.40-131,823.60-40,497.40

Finding the Fourth Proportional to 87,882.40, 131,823.60 and 40,497.40

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Solution

The fourth proportional to 87,882.40, 131,823.60 and 40,497.40 is: 60,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882.40 : 131,823.60 = 40,497.40 : x
  2. Step 2: Convert to fraction form
    87,882.40/131,823.60 = 40,497.40/x
  3. Step 3: Cross multiply
    87,882.40x = 131,823.60 × 40,497.40
  4. Step 4: Simplify right side
    87,882.40x = 5,338,513,058.64
  5. Step 5: Solve for x
    x = 5,338,513,058.64/87,882.40
  6. Step 6: Final answer
    x = 60,746.10

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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.