Home / 88,469.90-122,086.02-48,182.78

Finding the Fourth Proportional to 88,469.90, 122,086.02 and 48,182.78

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Solution

The fourth proportional to 88,469.90, 122,086.02 and 48,182.78 is: 66,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,469.90 : 122,086.02 = 48,182.78 : x
  2. Step 2: Convert to fraction form
    88,469.90/122,086.02 = 48,182.78/x
  3. Step 3: Cross multiply
    88,469.90x = 122,086.02 × 48,182.78
  4. Step 4: Simplify right side
    88,469.90x = 5,882,443,842.74
  5. Step 5: Solve for x
    x = 5,882,443,842.74/88,469.90
  6. Step 6: Final answer
    x = 66,490.91

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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.