Home / 80,829.56-111,591.06-54,017.48

Finding the Fourth Proportional to 80,829.56, 111,591.06 and 54,017.48

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Solution

The fourth proportional to 80,829.56, 111,591.06 and 54,017.48 is: 74,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,829.56 : 111,591.06 = 54,017.48 : x
  2. Step 2: Convert to fraction form
    80,829.56/111,591.06 = 54,017.48/x
  3. Step 3: Cross multiply
    80,829.56x = 111,591.06 × 54,017.48
  4. Step 4: Simplify right side
    80,829.56x = 6,027,867,851.73
  5. Step 5: Solve for x
    x = 6,027,867,851.73/80,829.56
  6. Step 6: Final answer
    x = 74,575.04

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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.