Home / 125,055.26-172,560.17-71,337.06

Finding the Fourth Proportional to 125,055.26, 172,560.17 and 71,337.06

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Solution

The fourth proportional to 125,055.26, 172,560.17 and 71,337.06 is: 98,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,055.26 : 172,560.17 = 71,337.06 : x
  2. Step 2: Convert to fraction form
    125,055.26/172,560.17 = 71,337.06/x
  3. Step 3: Cross multiply
    125,055.26x = 172,560.17 × 71,337.06
  4. Step 4: Simplify right side
    125,055.26x = 12,309,934,844.21
  5. Step 5: Solve for x
    x = 12,309,934,844.21/125,055.26
  6. Step 6: Final answer
    x = 98,435.97

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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.