Home / 71,988.33-107,999.52-32,545.38

Finding the Fourth Proportional to 71,988.33, 107,999.52 and 32,545.38

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Solution

The fourth proportional to 71,988.33, 107,999.52 and 32,545.38 is: 48,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,988.33 : 107,999.52 = 32,545.38 : x
  2. Step 2: Convert to fraction form
    71,988.33/107,999.52 = 32,545.38/x
  3. Step 3: Cross multiply
    71,988.33x = 107,999.52 × 32,545.38
  4. Step 4: Simplify right side
    71,988.33x = 3,514,885,418.22
  5. Step 5: Solve for x
    x = 3,514,885,418.22/71,988.33
  6. Step 6: Final answer
    x = 48,825.77

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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.