Home / 106,531.62-159,792.24-39,966.57

Finding the Fourth Proportional to 106,531.62, 159,792.24 and 39,966.57

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Solution

The fourth proportional to 106,531.62, 159,792.24 and 39,966.57 is: 59,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531.62 : 159,792.24 = 39,966.57 : x
  2. Step 2: Convert to fraction form
    106,531.62/159,792.24 = 39,966.57/x
  3. Step 3: Cross multiply
    106,531.62x = 159,792.24 × 39,966.57
  4. Step 4: Simplify right side
    106,531.62x = 6,386,347,745.42
  5. Step 5: Solve for x
    x = 6,386,347,745.42/106,531.62
  6. Step 6: Final answer
    x = 59,947.91

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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.