Home / 80,393.28-120,565.24-55,592.72

Finding the Fourth Proportional to 80,393.28, 120,565.24 and 55,592.72

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Solution

The fourth proportional to 80,393.28, 120,565.24 and 55,592.72 is: 83,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,393.28 : 120,565.24 = 55,592.72 : x
  2. Step 2: Convert to fraction form
    80,393.28/120,565.24 = 55,592.72/x
  3. Step 3: Cross multiply
    80,393.28x = 120,565.24 × 55,592.72
  4. Step 4: Simplify right side
    80,393.28x = 6,702,549,629.05
  5. Step 5: Solve for x
    x = 6,702,549,629.05/80,393.28
  6. Step 6: Final answer
    x = 83,372.01

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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.