Home / 80,598.15-120,921.39-32,542.02

Finding the Fourth Proportional to 80,598.15, 120,921.39 and 32,542.02

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Solution

The fourth proportional to 80,598.15, 120,921.39 and 32,542.02 is: 48,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,598.15 : 120,921.39 = 32,542.02 : x
  2. Step 2: Convert to fraction form
    80,598.15/120,921.39 = 32,542.02/x
  3. Step 3: Cross multiply
    80,598.15x = 120,921.39 × 32,542.02
  4. Step 4: Simplify right side
    80,598.15x = 3,935,026,291.81
  5. Step 5: Solve for x
    x = 3,935,026,291.81/80,598.15
  6. Step 6: Final answer
    x = 48,822.79

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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.