Home / 67,614.38-101,453.16-30,170.54

Finding the Fourth Proportional to 67,614.38, 101,453.16 and 30,170.54

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Solution

The fourth proportional to 67,614.38, 101,453.16 and 30,170.54 is: 45,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,614.38 : 101,453.16 = 30,170.54 : x
  2. Step 2: Convert to fraction form
    67,614.38/101,453.16 = 30,170.54/x
  3. Step 3: Cross multiply
    67,614.38x = 101,453.16 × 30,170.54
  4. Step 4: Simplify right side
    67,614.38x = 3,060,896,621.91
  5. Step 5: Solve for x
    x = 3,060,896,621.91/67,614.38
  6. Step 6: Final answer
    x = 45,269.91

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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.