Home / 67,713.87-101,580.26-28,261.95

Finding the Fourth Proportional to 67,713.87, 101,580.26 and 28,261.95

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Solution

The fourth proportional to 67,713.87, 101,580.26 and 28,261.95 is: 42,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,713.87 : 101,580.26 = 28,261.95 : x
  2. Step 2: Convert to fraction form
    67,713.87/101,580.26 = 28,261.95/x
  3. Step 3: Cross multiply
    67,713.87x = 101,580.26 × 28,261.95
  4. Step 4: Simplify right side
    67,713.87x = 2,870,856,229.11
  5. Step 5: Solve for x
    x = 2,870,856,229.11/67,713.87
  6. Step 6: Final answer
    x = 42,396.87

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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.