Home / 69,843.30-96,381.18-38,011.50

Finding the Fourth Proportional to 69,843.30, 96,381.18 and 38,011.50

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Solution

The fourth proportional to 69,843.30, 96,381.18 and 38,011.50 is: 52,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,843.30 : 96,381.18 = 38,011.50 : x
  2. Step 2: Convert to fraction form
    69,843.30/96,381.18 = 38,011.50/x
  3. Step 3: Cross multiply
    69,843.30x = 96,381.18 × 38,011.50
  4. Step 4: Simplify right side
    69,843.30x = 3,663,593,223.57
  5. Step 5: Solve for x
    x = 3,663,593,223.57/69,843.30
  6. Step 6: Final answer
    x = 52,454.47

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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.