Home / 69,972.32-96,564.08-39,755.85

Finding the Fourth Proportional to 69,972.32, 96,564.08 and 39,755.85

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Solution

The fourth proportional to 69,972.32, 96,564.08 and 39,755.85 is: 54,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.32 : 96,564.08 = 39,755.85 : x
  2. Step 2: Convert to fraction form
    69,972.32/96,564.08 = 39,755.85/x
  3. Step 3: Cross multiply
    69,972.32x = 96,564.08 × 39,755.85
  4. Step 4: Simplify right side
    69,972.32x = 3,838,987,079.87
  5. Step 5: Solve for x
    x = 3,838,987,079.87/69,972.32
  6. Step 6: Final answer
    x = 54,864.37

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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.