Home / 125,062.92-172,586.79-68,474.25

Finding the Fourth Proportional to 125,062.92, 172,586.79 and 68,474.25

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Solution

The fourth proportional to 125,062.92, 172,586.79 and 68,474.25 is: 94,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,062.92 : 172,586.79 = 68,474.25 : x
  2. Step 2: Convert to fraction form
    125,062.92/172,586.79 = 68,474.25/x
  3. Step 3: Cross multiply
    125,062.92x = 172,586.79 × 68,474.25
  4. Step 4: Simplify right side
    125,062.92x = 11,817,751,005.16
  5. Step 5: Solve for x
    x = 11,817,751,005.16/125,062.92
  6. Step 6: Final answer
    x = 94,494.44

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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.