Home / 124,719.44-172,116.61-68,134.46

Finding the Fourth Proportional to 124,719.44, 172,116.61 and 68,134.46

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Solution

The fourth proportional to 124,719.44, 172,116.61 and 68,134.46 is: 94,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,719.44 : 172,116.61 = 68,134.46 : x
  2. Step 2: Convert to fraction form
    124,719.44/172,116.61 = 68,134.46/x
  3. Step 3: Cross multiply
    124,719.44x = 172,116.61 × 68,134.46
  4. Step 4: Simplify right side
    124,719.44x = 11,727,072,279.38
  5. Step 5: Solve for x
    x = 11,727,072,279.38/124,719.44
  6. Step 6: Final answer
    x = 94,027.62

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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.