Home / 115,050.38-172,680.26-58,929.12

Finding the Fourth Proportional to 115,050.38, 172,680.26 and 58,929.12

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Solution

The fourth proportional to 115,050.38, 172,680.26 and 58,929.12 is: 88,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,050.38 : 172,680.26 = 58,929.12 : x
  2. Step 2: Convert to fraction form
    115,050.38/172,680.26 = 58,929.12/x
  3. Step 3: Cross multiply
    115,050.38x = 172,680.26 × 58,929.12
  4. Step 4: Simplify right side
    115,050.38x = 10,175,895,468.53
  5. Step 5: Solve for x
    x = 10,175,895,468.53/115,050.38
  6. Step 6: Final answer
    x = 88,447.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.