Home / 69,958.85-96,545.25-38,129.81

Finding the Fourth Proportional to 69,958.85, 96,545.25 and 38,129.81

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Solution

The fourth proportional to 69,958.85, 96,545.25 and 38,129.81 is: 52,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,958.85 : 96,545.25 = 38,129.81 : x
  2. Step 2: Convert to fraction form
    69,958.85/96,545.25 = 38,129.81/x
  3. Step 3: Cross multiply
    69,958.85x = 96,545.25 × 38,129.81
  4. Step 4: Simplify right side
    69,958.85x = 3,681,251,556.18
  5. Step 5: Solve for x
    x = 3,681,251,556.18/69,958.85
  6. Step 6: Final answer
    x = 52,620.24

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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.