Home / 125,257.73-172,849.14-71,532.18

Finding the Fourth Proportional to 125,257.73, 172,849.14 and 71,532.18

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Solution

The fourth proportional to 125,257.73, 172,849.14 and 71,532.18 is: 98,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,257.73 : 172,849.14 = 71,532.18 : x
  2. Step 2: Convert to fraction form
    125,257.73/172,849.14 = 71,532.18/x
  3. Step 3: Cross multiply
    125,257.73x = 172,849.14 × 71,532.18
  4. Step 4: Simplify right side
    125,257.73x = 12,364,275,795.33
  5. Step 5: Solve for x
    x = 12,364,275,795.33/125,257.73
  6. Step 6: Final answer
    x = 98,710.68

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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.