Home / 125,040.89-172,553.04-71,324.77

Finding the Fourth Proportional to 125,040.89, 172,553.04 and 71,324.77

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Solution

The fourth proportional to 125,040.89, 172,553.04 and 71,324.77 is: 98,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,040.89 : 172,553.04 = 71,324.77 : x
  2. Step 2: Convert to fraction form
    125,040.89/172,553.04 = 71,324.77/x
  3. Step 3: Cross multiply
    125,040.89x = 172,553.04 × 71,324.77
  4. Step 4: Simplify right side
    125,040.89x = 12,307,305,890.80
  5. Step 5: Solve for x
    x = 12,307,305,890.80/125,040.89
  6. Step 6: Final answer
    x = 98,426.25

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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.