Home / 80,277.12-120,251.52-37,521.36

Finding the Fourth Proportional to 80,277.12, 120,251.52 and 37,521.36

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Solution

The fourth proportional to 80,277.12, 120,251.52 and 37,521.36 is: 56,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,277.12 : 120,251.52 = 37,521.36 : x
  2. Step 2: Convert to fraction form
    80,277.12/120,251.52 = 37,521.36/x
  3. Step 3: Cross multiply
    80,277.12x = 120,251.52 × 37,521.36
  4. Step 4: Simplify right side
    80,277.12x = 4,512,000,572.47
  5. Step 5: Solve for x
    x = 4,512,000,572.47/80,277.12
  6. Step 6: Final answer
    x = 56,205.31

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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.