Home / 80,747.15-121,126.91-24,592.03

Finding the Fourth Proportional to 80,747.15, 121,126.91 and 24,592.03

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Solution

The fourth proportional to 80,747.15, 121,126.91 and 24,592.03 is: 36,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,747.15 : 121,126.91 = 24,592.03 : x
  2. Step 2: Convert to fraction form
    80,747.15/121,126.91 = 24,592.03/x
  3. Step 3: Cross multiply
    80,747.15x = 121,126.91 × 24,592.03
  4. Step 4: Simplify right side
    80,747.15x = 2,978,756,178.75
  5. Step 5: Solve for x
    x = 2,978,756,178.75/80,747.15
  6. Step 6: Final answer
    x = 36,889.93

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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.