Home / 106,531.20-159,687.45-62,135.10

Finding the Fourth Proportional to 106,531.20, 159,687.45 and 62,135.10

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Solution

The fourth proportional to 106,531.20, 159,687.45 and 62,135.10 is: 93,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531.20 : 159,687.45 = 62,135.10 : x
  2. Step 2: Convert to fraction form
    106,531.20/159,687.45 = 62,135.10/x
  3. Step 3: Cross multiply
    106,531.20x = 159,687.45 × 62,135.10
  4. Step 4: Simplify right side
    106,531.20x = 9,922,195,674.50
  5. Step 5: Solve for x
    x = 9,922,195,674.50/106,531.20
  6. Step 6: Final answer
    x = 93,138.87

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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.