Home / 106,059.90-158,743.68-77,972.52

Finding the Fourth Proportional to 106,059.90, 158,743.68 and 77,972.52

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Solution

The fourth proportional to 106,059.90, 158,743.68 and 77,972.52 is: 116,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,059.90 : 158,743.68 = 77,972.52 : x
  2. Step 2: Convert to fraction form
    106,059.90/158,743.68 = 77,972.52/x
  3. Step 3: Cross multiply
    106,059.90x = 158,743.68 × 77,972.52
  4. Step 4: Simplify right side
    106,059.90x = 12,377,644,763.67
  5. Step 5: Solve for x
    x = 12,377,644,763.67/106,059.90
  6. Step 6: Final answer
    x = 116,704.28

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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.