Home / 124,820.46-172,251.36-68,231.97

Finding the Fourth Proportional to 124,820.46, 172,251.36 and 68,231.97

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Solution

The fourth proportional to 124,820.46, 172,251.36 and 68,231.97 is: 94,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820.46 : 172,251.36 = 68,231.97 : x
  2. Step 2: Convert to fraction form
    124,820.46/172,251.36 = 68,231.97/x
  3. Step 3: Cross multiply
    124,820.46x = 172,251.36 × 68,231.97
  4. Step 4: Simplify right side
    124,820.46x = 11,753,049,627.98
  5. Step 5: Solve for x
    x = 11,753,049,627.98/124,820.46
  6. Step 6: Final answer
    x = 94,159.64

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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.