Home / 80,260.54-120,440.01-35,924.78

Finding the Fourth Proportional to 80,260.54, 120,440.01 and 35,924.78

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Solution

The fourth proportional to 80,260.54, 120,440.01 and 35,924.78 is: 53,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,260.54 : 120,440.01 = 35,924.78 : x
  2. Step 2: Convert to fraction form
    80,260.54/120,440.01 = 35,924.78/x
  3. Step 3: Cross multiply
    80,260.54x = 120,440.01 × 35,924.78
  4. Step 4: Simplify right side
    80,260.54x = 4,326,781,298.27
  5. Step 5: Solve for x
    x = 4,326,781,298.27/80,260.54
  6. Step 6: Final answer
    x = 53,909.20

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1.5x scale

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.