Home / 106,868.62-147,481.29-59,122.90

Finding the Fourth Proportional to 106,868.62, 147,481.29 and 59,122.90

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Solution

The fourth proportional to 106,868.62, 147,481.29 and 59,122.90 is: 81,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,868.62 : 147,481.29 = 59,122.90 : x
  2. Step 2: Convert to fraction form
    106,868.62/147,481.29 = 59,122.90/x
  3. Step 3: Cross multiply
    106,868.62x = 147,481.29 × 59,122.90
  4. Step 4: Simplify right side
    106,868.62x = 8,719,521,560.54
  5. Step 5: Solve for x
    x = 8,719,521,560.54/106,868.62
  6. Step 6: Final answer
    x = 81,591.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.