Home / 67,545.80-101,318.78-17,625.86

Finding the Fourth Proportional to 67,545.80, 101,318.78 and 17,625.86

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Solution

The fourth proportional to 67,545.80, 101,318.78 and 17,625.86 is: 26,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,545.80 : 101,318.78 = 17,625.86 : x
  2. Step 2: Convert to fraction form
    67,545.80/101,318.78 = 17,625.86/x
  3. Step 3: Cross multiply
    67,545.80x = 101,318.78 × 17,625.86
  4. Step 4: Simplify right side
    67,545.80x = 1,785,830,631.65
  5. Step 5: Solve for x
    x = 1,785,830,631.65/67,545.80
  6. Step 6: Final answer
    x = 26,438.81

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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.