Home / 88,590.14-132,947.49-80,120.31

Finding the Fourth Proportional to 88,590.14, 132,947.49 and 80,120.31

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Solution

The fourth proportional to 88,590.14, 132,947.49 and 80,120.31 is: 120,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,590.14 : 132,947.49 = 80,120.31 : x
  2. Step 2: Convert to fraction form
    88,590.14/132,947.49 = 80,120.31/x
  3. Step 3: Cross multiply
    88,590.14x = 132,947.49 × 80,120.31
  4. Step 4: Simplify right side
    88,590.14x = 10,651,793,463.74
  5. Step 5: Solve for x
    x = 10,651,793,463.74/88,590.14
  6. Step 6: Final answer
    x = 120,236.78

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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.