Home / 67,865.68-101,749.30-45,623.88

Finding the Fourth Proportional to 67,865.68, 101,749.30 and 45,623.88

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Solution

The fourth proportional to 67,865.68, 101,749.30 and 45,623.88 is: 68,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,865.68 : 101,749.30 = 45,623.88 : x
  2. Step 2: Convert to fraction form
    67,865.68/101,749.30 = 45,623.88/x
  3. Step 3: Cross multiply
    67,865.68x = 101,749.30 × 45,623.88
  4. Step 4: Simplify right side
    67,865.68x = 4,642,197,853.28
  5. Step 5: Solve for x
    x = 4,642,197,853.28/67,865.68
  6. Step 6: Final answer
    x = 68,402.73

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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.