Home / 87,907.32-131,864.64-25,577.88

Finding the Fourth Proportional to 87,907.32, 131,864.64 and 25,577.88

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Solution

The fourth proportional to 87,907.32, 131,864.64 and 25,577.88 is: 38,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,907.32 : 131,864.64 = 25,577.88 : x
  2. Step 2: Convert to fraction form
    87,907.32/131,864.64 = 25,577.88/x
  3. Step 3: Cross multiply
    87,907.32x = 131,864.64 × 25,577.88
  4. Step 4: Simplify right side
    87,907.32x = 3,372,817,938.16
  5. Step 5: Solve for x
    x = 3,372,817,938.16/87,907.32
  6. Step 6: Final answer
    x = 38,367.88

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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.