Home / 67,864.68-101,747.80-45,622.88

Finding the Fourth Proportional to 67,864.68, 101,747.80 and 45,622.88

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Solution

The fourth proportional to 67,864.68, 101,747.80 and 45,622.88 is: 68,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,864.68 : 101,747.80 = 45,622.88 : x
  2. Step 2: Convert to fraction form
    67,864.68/101,747.80 = 45,622.88/x
  3. Step 3: Cross multiply
    67,864.68x = 101,747.80 × 45,622.88
  4. Step 4: Simplify right side
    67,864.68x = 4,642,027,669.66
  5. Step 5: Solve for x
    x = 4,642,027,669.66/67,864.68
  6. Step 6: Final answer
    x = 68,401.23

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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.