Home / 80,928.74-121,393.11-34,182.02

Finding the Fourth Proportional to 80,928.74, 121,393.11 and 34,182.02

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Solution

The fourth proportional to 80,928.74, 121,393.11 and 34,182.02 is: 51,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,928.74 : 121,393.11 = 34,182.02 : x
  2. Step 2: Convert to fraction form
    80,928.74/121,393.11 = 34,182.02/x
  3. Step 3: Cross multiply
    80,928.74x = 121,393.11 × 34,182.02
  4. Step 4: Simplify right side
    80,928.74x = 4,149,461,713.88
  5. Step 5: Solve for x
    x = 4,149,461,713.88/80,928.74
  6. Step 6: Final answer
    x = 51,273.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.