Home / 124,834.74-172,274.61-68,251.38

Finding the Fourth Proportional to 124,834.74, 172,274.61 and 68,251.38

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Solution

The fourth proportional to 124,834.74, 172,274.61 and 68,251.38 is: 94,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.74 : 172,274.61 = 68,251.38 : x
  2. Step 2: Convert to fraction form
    124,834.74/172,274.61 = 68,251.38/x
  3. Step 3: Cross multiply
    124,834.74x = 172,274.61 × 68,251.38
  4. Step 4: Simplify right side
    124,834.74x = 11,757,979,871.46
  5. Step 5: Solve for x
    x = 11,757,979,871.46/124,834.74
  6. Step 6: Final answer
    x = 94,188.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.