Home / 49,716.85-74,565.55-18,545.89

Finding the Fourth Proportional to 49,716.85, 74,565.55 and 18,545.89

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Solution

The fourth proportional to 49,716.85, 74,565.55 and 18,545.89 is: 27,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,716.85 : 74,565.55 = 18,545.89 : x
  2. Step 2: Convert to fraction form
    49,716.85/74,565.55 = 18,545.89/x
  3. Step 3: Cross multiply
    49,716.85x = 74,565.55 × 18,545.89
  4. Step 4: Simplify right side
    49,716.85x = 1,382,884,324.86
  5. Step 5: Solve for x
    x = 1,382,884,324.86/49,716.85
  6. Step 6: Final answer
    x = 27,815.21

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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.