Home / 80,034.53-120,057.96-23,870.36

Finding the Fourth Proportional to 80,034.53, 120,057.96 and 23,870.36

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Solution

The fourth proportional to 80,034.53, 120,057.96 and 23,870.36 is: 35,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,034.53 : 120,057.96 = 23,870.36 : x
  2. Step 2: Convert to fraction form
    80,034.53/120,057.96 = 23,870.36/x
  3. Step 3: Cross multiply
    80,034.53x = 120,057.96 × 23,870.36
  4. Step 4: Simplify right side
    80,034.53x = 2,865,826,726.07
  5. Step 5: Solve for x
    x = 2,865,826,726.07/80,034.53
  6. Step 6: Final answer
    x = 35,807.38

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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.