Home / 88,301.20-132,403.20-38,372.80

Finding the Fourth Proportional to 88,301.20, 132,403.20 and 38,372.80

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Solution

The fourth proportional to 88,301.20, 132,403.20 and 38,372.80 is: 57,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,301.20 : 132,403.20 = 38,372.80 : x
  2. Step 2: Convert to fraction form
    88,301.20/132,403.20 = 38,372.80/x
  3. Step 3: Cross multiply
    88,301.20x = 132,403.20 × 38,372.80
  4. Step 4: Simplify right side
    88,301.20x = 5,080,681,512.96
  5. Step 5: Solve for x
    x = 5,080,681,512.96/88,301.20
  6. Step 6: Final answer
    x = 57,538.08

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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.