Home / 67,031.49-100,560.20-25,475.25

Finding the Fourth Proportional to 67,031.49, 100,560.20 and 25,475.25

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Solution

The fourth proportional to 67,031.49, 100,560.20 and 25,475.25 is: 38,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,031.49 : 100,560.20 = 25,475.25 : x
  2. Step 2: Convert to fraction form
    67,031.49/100,560.20 = 25,475.25/x
  3. Step 3: Cross multiply
    67,031.49x = 100,560.20 × 25,475.25
  4. Step 4: Simplify right side
    67,031.49x = 2,561,796,107.67
  5. Step 5: Solve for x
    x = 2,561,796,107.67/67,031.49
  6. Step 6: Final answer
    x = 38,217.80

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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.