Home / 67,023.79-100,577.23-38,957.09

Finding the Fourth Proportional to 67,023.79, 100,577.23 and 38,957.09

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Solution

The fourth proportional to 67,023.79, 100,577.23 and 38,957.09 is: 58,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,023.79 : 100,577.23 = 38,957.09 : x
  2. Step 2: Convert to fraction form
    67,023.79/100,577.23 = 38,957.09/x
  3. Step 3: Cross multiply
    67,023.79x = 100,577.23 × 38,957.09
  4. Step 4: Simplify right side
    67,023.79x = 3,918,195,600.78
  5. Step 5: Solve for x
    x = 3,918,195,600.78/67,023.79
  6. Step 6: Final answer
    x = 58,459.78

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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.