Home / 124,824.50-172,238.54-71,102.69

Finding the Fourth Proportional to 124,824.50, 172,238.54 and 71,102.69

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Solution

The fourth proportional to 124,824.50, 172,238.54 and 71,102.69 is: 98,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,824.50 : 172,238.54 = 71,102.69 : x
  2. Step 2: Convert to fraction form
    124,824.50/172,238.54 = 71,102.69/x
  3. Step 3: Cross multiply
    124,824.50x = 172,238.54 × 71,102.69
  4. Step 4: Simplify right side
    124,824.50x = 12,246,622,298.97
  5. Step 5: Solve for x
    x = 12,246,622,298.97/124,824.50
  6. Step 6: Final answer
    x = 98,110.73

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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.