Home / 125,104.56-172,648.44-68,519.04

Finding the Fourth Proportional to 125,104.56, 172,648.44 and 68,519.04

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Solution

The fourth proportional to 125,104.56, 172,648.44 and 68,519.04 is: 94,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,104.56 : 172,648.44 = 68,519.04 : x
  2. Step 2: Convert to fraction form
    125,104.56/172,648.44 = 68,519.04/x
  3. Step 3: Cross multiply
    125,104.56x = 172,648.44 × 68,519.04
  4. Step 4: Simplify right side
    125,104.56x = 11,829,705,366.30
  5. Step 5: Solve for x
    x = 11,829,705,366.30/125,104.56
  6. Step 6: Final answer
    x = 94,558.55

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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.