Home / 124,942.48-172,400.52-71,227.60

Finding the Fourth Proportional to 124,942.48, 172,400.52 and 71,227.60

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Solution

The fourth proportional to 124,942.48, 172,400.52 and 71,227.60 is: 98,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,942.48 : 172,400.52 = 71,227.60 : x
  2. Step 2: Convert to fraction form
    124,942.48/172,400.52 = 71,227.60/x
  3. Step 3: Cross multiply
    124,942.48x = 172,400.52 × 71,227.60
  4. Step 4: Simplify right side
    124,942.48x = 12,279,675,278.35
  5. Step 5: Solve for x
    x = 12,279,675,278.35/124,942.48
  6. Step 6: Final answer
    x = 98,282.63

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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.