Home / 125,327.92-172,952.14-68,739.16

Finding the Fourth Proportional to 125,327.92, 172,952.14 and 68,739.16

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Solution

The fourth proportional to 125,327.92, 172,952.14 and 68,739.16 is: 94,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,327.92 : 172,952.14 = 68,739.16 : x
  2. Step 2: Convert to fraction form
    125,327.92/172,952.14 = 68,739.16/x
  3. Step 3: Cross multiply
    125,327.92x = 172,952.14 × 68,739.16
  4. Step 4: Simplify right side
    125,327.92x = 11,888,584,823.80
  5. Step 5: Solve for x
    x = 11,888,584,823.80/125,327.92
  6. Step 6: Final answer
    x = 94,859.83

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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.