Home / 82,545.29-123,811.88-26,370.32

Finding the Fourth Proportional to 82,545.29, 123,811.88 and 26,370.32

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Solution

The fourth proportional to 82,545.29, 123,811.88 and 26,370.32 is: 39,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,545.29 : 123,811.88 = 26,370.32 : x
  2. Step 2: Convert to fraction form
    82,545.29/123,811.88 = 26,370.32/x
  3. Step 3: Cross multiply
    82,545.29x = 123,811.88 × 26,370.32
  4. Step 4: Simplify right side
    82,545.29x = 3,264,958,895.40
  5. Step 5: Solve for x
    x = 3,264,958,895.40/82,545.29
  6. Step 6: Final answer
    x = 39,553.55

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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.