Home / 67,452.20-101,178.70-30,003.47

Finding the Fourth Proportional to 67,452.20, 101,178.70 and 30,003.47

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Solution

The fourth proportional to 67,452.20, 101,178.70 and 30,003.47 is: 45,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,452.20 : 101,178.70 = 30,003.47 : x
  2. Step 2: Convert to fraction form
    67,452.20/101,178.70 = 30,003.47/x
  3. Step 3: Cross multiply
    67,452.20x = 101,178.70 × 30,003.47
  4. Step 4: Simplify right side
    67,452.20x = 3,035,711,584.20
  5. Step 5: Solve for x
    x = 3,035,711,584.20/67,452.20
  6. Step 6: Final answer
    x = 45,005.38

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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.