Home / 88,469.28-122,103.36-52,680

Finding the Fourth Proportional to 88,469.28, 122,103.36 and 52,680

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Solution

The fourth proportional to 88,469.28, 122,103.36 and 52,680 is: 72,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,469.28 : 122,103.36 = 52,680 : x
  2. Step 2: Convert to fraction form
    88,469.28/122,103.36 = 52,680/x
  3. Step 3: Cross multiply
    88,469.28x = 122,103.36 × 52,680
  4. Step 4: Simplify right side
    88,469.28x = 6,432,405,004.80
  5. Step 5: Solve for x
    x = 6,432,405,004.80/88,469.28
  6. Step 6: Final answer
    x = 72,707.78

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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.