Home / 82,545.85-123,772.29-26,372.80

Finding the Fourth Proportional to 82,545.85, 123,772.29 and 26,372.80

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Solution

The fourth proportional to 82,545.85, 123,772.29 and 26,372.80 is: 39,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,545.85 : 123,772.29 = 26,372.80 : x
  2. Step 2: Convert to fraction form
    82,545.85/123,772.29 = 26,372.80/x
  3. Step 3: Cross multiply
    82,545.85x = 123,772.29 × 26,372.80
  4. Step 4: Simplify right side
    82,545.85x = 3,264,221,849.71
  5. Step 5: Solve for x
    x = 3,264,221,849.71/82,545.85
  6. Step 6: Final answer
    x = 39,544.35

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1.5x scale

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.