Home / 69,933.78-96,545.11-54,587.38

Finding the Fourth Proportional to 69,933.78, 96,545.11 and 54,587.38

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Solution

The fourth proportional to 69,933.78, 96,545.11 and 54,587.38 is: 75,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,933.78 : 96,545.11 = 54,587.38 : x
  2. Step 2: Convert to fraction form
    69,933.78/96,545.11 = 54,587.38/x
  3. Step 3: Cross multiply
    69,933.78x = 96,545.11 × 54,587.38
  4. Step 4: Simplify right side
    69,933.78x = 5,270,144,123.99
  5. Step 5: Solve for x
    x = 5,270,144,123.99/69,933.78
  6. Step 6: Final answer
    x = 75,359.06

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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.