Home / 67,407.12-101,028.66-47,691.36

Finding the Fourth Proportional to 67,407.12, 101,028.66 and 47,691.36

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Solution

The fourth proportional to 67,407.12, 101,028.66 and 47,691.36 is: 71,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,407.12 : 101,028.66 = 47,691.36 : x
  2. Step 2: Convert to fraction form
    67,407.12/101,028.66 = 47,691.36/x
  3. Step 3: Cross multiply
    67,407.12x = 101,028.66 × 47,691.36
  4. Step 4: Simplify right side
    67,407.12x = 4,818,194,194.38
  5. Step 5: Solve for x
    x = 4,818,194,194.38/67,407.12
  6. Step 6: Final answer
    x = 71,479.01

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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.