Home / 80,491.61-111,089.97-48,227.51

Finding the Fourth Proportional to 80,491.61, 111,089.97 and 48,227.51

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Solution

The fourth proportional to 80,491.61, 111,089.97 and 48,227.51 is: 66,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,491.61 : 111,089.97 = 48,227.51 : x
  2. Step 2: Convert to fraction form
    80,491.61/111,089.97 = 48,227.51/x
  3. Step 3: Cross multiply
    80,491.61x = 111,089.97 × 48,227.51
  4. Step 4: Simplify right side
    80,491.61x = 5,357,591,842.49
  5. Step 5: Solve for x
    x = 5,357,591,842.49/80,491.61
  6. Step 6: Final answer
    x = 66,560.88

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1.5x scale

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.