Home / 125,053.27-172,589.94-71,325.97

Finding the Fourth Proportional to 125,053.27, 172,589.94 and 71,325.97

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Solution

The fourth proportional to 125,053.27, 172,589.94 and 71,325.97 is: 98,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,053.27 : 172,589.94 = 71,325.97 : x
  2. Step 2: Convert to fraction form
    125,053.27/172,589.94 = 71,325.97/x
  3. Step 3: Cross multiply
    125,053.27x = 172,589.94 × 71,325.97
  4. Step 4: Simplify right side
    125,053.27x = 12,310,144,019.79
  5. Step 5: Solve for x
    x = 12,310,144,019.79/125,053.27
  6. Step 6: Final answer
    x = 98,439.21

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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.