Home / 88,357.16-132,532.92-28,385.39

Finding the Fourth Proportional to 88,357.16, 132,532.92 and 28,385.39

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Solution

The fourth proportional to 88,357.16, 132,532.92 and 28,385.39 is: 42,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,357.16 : 132,532.92 = 28,385.39 : x
  2. Step 2: Convert to fraction form
    88,357.16/132,532.92 = 28,385.39/x
  3. Step 3: Cross multiply
    88,357.16x = 132,532.92 × 28,385.39
  4. Step 4: Simplify right side
    88,357.16x = 3,761,998,622.04
  5. Step 5: Solve for x
    x = 3,761,998,622.04/88,357.16
  6. Step 6: Final answer
    x = 42,577.18

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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.