Home / 80,347.02-120,471.92-35,965.50

Finding the Fourth Proportional to 80,347.02, 120,471.92 and 35,965.50

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Solution

The fourth proportional to 80,347.02, 120,471.92 and 35,965.50 is: 53,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,347.02 : 120,471.92 = 35,965.50 : x
  2. Step 2: Convert to fraction form
    80,347.02/120,471.92 = 35,965.50/x
  3. Step 3: Cross multiply
    80,347.02x = 120,471.92 × 35,965.50
  4. Step 4: Simplify right side
    80,347.02x = 4,332,832,658.93
  5. Step 5: Solve for x
    x = 4,332,832,658.93/80,347.02
  6. Step 6: Final answer
    x = 53,926.49

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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.