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Finding the Fourth Proportional to 67,422.17, 101,151.18 and 23,048.85

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Solution

The fourth proportional to 67,422.17, 101,151.18 and 23,048.85 is: 34,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,422.17 : 101,151.18 = 23,048.85 : x
  2. Step 2: Convert to fraction form
    67,422.17/101,151.18 = 23,048.85/x
  3. Step 3: Cross multiply
    67,422.17x = 101,151.18 × 23,048.85
  4. Step 4: Simplify right side
    67,422.17x = 2,331,418,754.46
  5. Step 5: Solve for x
    x = 2,331,418,754.46/67,422.17
  6. Step 6: Final answer
    x = 34,579.41

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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.