Home / 67,545.33-101,263.31-28,131.95

Finding the Fourth Proportional to 67,545.33, 101,263.31 and 28,131.95

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Solution

The fourth proportional to 67,545.33, 101,263.31 and 28,131.95 is: 42,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,545.33 : 101,263.31 = 28,131.95 : x
  2. Step 2: Convert to fraction form
    67,545.33/101,263.31 = 28,131.95/x
  3. Step 3: Cross multiply
    67,545.33x = 101,263.31 × 28,131.95
  4. Step 4: Simplify right side
    67,545.33x = 2,848,733,726.78
  5. Step 5: Solve for x
    x = 2,848,733,726.78/67,545.33
  6. Step 6: Final answer
    x = 42,175.14

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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.