Home / 106,591.10-147,083.21-63,572.96

Finding the Fourth Proportional to 106,591.10, 147,083.21 and 63,572.96

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Solution

The fourth proportional to 106,591.10, 147,083.21 and 63,572.96 is: 87,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,591.10 : 147,083.21 = 63,572.96 : x
  2. Step 2: Convert to fraction form
    106,591.10/147,083.21 = 63,572.96/x
  3. Step 3: Cross multiply
    106,591.10x = 147,083.21 × 63,572.96
  4. Step 4: Simplify right side
    106,591.10x = 9,350,513,972.72
  5. Step 5: Solve for x
    x = 9,350,513,972.72/106,591.10
  6. Step 6: Final answer
    x = 87,723.22

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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.