Home / 88,391.12-132,635.28-41,642.80

Finding the Fourth Proportional to 88,391.12, 132,635.28 and 41,642.80

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Solution

The fourth proportional to 88,391.12, 132,635.28 and 41,642.80 is: 62,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,391.12 : 132,635.28 = 41,642.80 : x
  2. Step 2: Convert to fraction form
    88,391.12/132,635.28 = 41,642.80/x
  3. Step 3: Cross multiply
    88,391.12x = 132,635.28 × 41,642.80
  4. Step 4: Simplify right side
    88,391.12x = 5,523,304,437.98
  5. Step 5: Solve for x
    x = 5,523,304,437.98/88,391.12
  6. Step 6: Final answer
    x = 62,487.10

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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.