Home / 80,318.27-110,842.07-48,480.95

Finding the Fourth Proportional to 80,318.27, 110,842.07 and 48,480.95

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Solution

The fourth proportional to 80,318.27, 110,842.07 and 48,480.95 is: 66,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,318.27 : 110,842.07 = 48,480.95 : x
  2. Step 2: Convert to fraction form
    80,318.27/110,842.07 = 48,480.95/x
  3. Step 3: Cross multiply
    80,318.27x = 110,842.07 × 48,480.95
  4. Step 4: Simplify right side
    80,318.27x = 5,373,728,056.95
  5. Step 5: Solve for x
    x = 5,373,728,056.95/80,318.27
  6. Step 6: Final answer
    x = 66,905.43

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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.