Home / 80,682.28-111,353.22-48,418.36

Finding the Fourth Proportional to 80,682.28, 111,353.22 and 48,418.36

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Solution

The fourth proportional to 80,682.28, 111,353.22 and 48,418.36 is: 66,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,682.28 : 111,353.22 = 48,418.36 : x
  2. Step 2: Convert to fraction form
    80,682.28/111,353.22 = 48,418.36/x
  3. Step 3: Cross multiply
    80,682.28x = 111,353.22 × 48,418.36
  4. Step 4: Simplify right side
    80,682.28x = 5,391,540,293.12
  5. Step 5: Solve for x
    x = 5,391,540,293.12/80,682.28
  6. Step 6: Final answer
    x = 66,824.34

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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.