Home / 125,175.92-172,758.84-71,448.62

Finding the Fourth Proportional to 125,175.92, 172,758.84 and 71,448.62

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Solution

The fourth proportional to 125,175.92, 172,758.84 and 71,448.62 is: 98,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,175.92 : 172,758.84 = 71,448.62 : x
  2. Step 2: Convert to fraction form
    125,175.92/172,758.84 = 71,448.62/x
  3. Step 3: Cross multiply
    125,175.92x = 172,758.84 × 71,448.62
  4. Step 4: Simplify right side
    125,175.92x = 12,343,380,710.80
  5. Step 5: Solve for x
    x = 12,343,380,710.80/125,175.92
  6. Step 6: Final answer
    x = 98,608.27

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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.