Home / 107,418.61-148,221.19-62,087.79

Finding the Fourth Proportional to 107,418.61, 148,221.19 and 62,087.79

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Solution

The fourth proportional to 107,418.61, 148,221.19 and 62,087.79 is: 85,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,418.61 : 148,221.19 = 62,087.79 : x
  2. Step 2: Convert to fraction form
    107,418.61/148,221.19 = 62,087.79/x
  3. Step 3: Cross multiply
    107,418.61x = 148,221.19 × 62,087.79
  4. Step 4: Simplify right side
    107,418.61x = 9,202,726,334.84
  5. Step 5: Solve for x
    x = 9,202,726,334.84/107,418.61
  6. Step 6: Final answer
    x = 85,671.62

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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.