Home / 67,397.12-101,108.64-25,840.88

Finding the Fourth Proportional to 67,397.12, 101,108.64 and 25,840.88

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Solution

The fourth proportional to 67,397.12, 101,108.64 and 25,840.88 is: 38,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,397.12 : 101,108.64 = 25,840.88 : x
  2. Step 2: Convert to fraction form
    67,397.12/101,108.64 = 25,840.88/x
  3. Step 3: Cross multiply
    67,397.12x = 101,108.64 × 25,840.88
  4. Step 4: Simplify right side
    67,397.12x = 2,612,735,598.46
  5. Step 5: Solve for x
    x = 2,612,735,598.46/67,397.12
  6. Step 6: Final answer
    x = 38,766.28

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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.