Home / 108,331.20-162,545.40-49,136.40

Finding the Fourth Proportional to 108,331.20, 162,545.40 and 49,136.40

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Solution

The fourth proportional to 108,331.20, 162,545.40 and 49,136.40 is: 73,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,331.20 : 162,545.40 = 49,136.40 : x
  2. Step 2: Convert to fraction form
    108,331.20/162,545.40 = 49,136.40/x
  3. Step 3: Cross multiply
    108,331.20x = 162,545.40 × 49,136.40
  4. Step 4: Simplify right side
    108,331.20x = 7,986,895,792.56
  5. Step 5: Solve for x
    x = 7,986,895,792.56/108,331.20
  6. Step 6: Final answer
    x = 73,726.64

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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.