Home / 79,440.90-119,594.18-68,593.38

Finding the Fourth Proportional to 79,440.90, 119,594.18 and 68,593.38

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Solution

The fourth proportional to 79,440.90, 119,594.18 and 68,593.38 is: 103,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.90 : 119,594.18 = 68,593.38 : x
  2. Step 2: Convert to fraction form
    79,440.90/119,594.18 = 68,593.38/x
  3. Step 3: Cross multiply
    79,440.90x = 119,594.18 × 68,593.38
  4. Step 4: Simplify right side
    79,440.90x = 8,203,368,691.56
  5. Step 5: Solve for x
    x = 8,203,368,691.56/79,440.90
  6. Step 6: Final answer
    x = 103,263.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.