Home / 80,522.54-120,720.28-50,877.89

Finding the Fourth Proportional to 80,522.54, 120,720.28 and 50,877.89

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Solution

The fourth proportional to 80,522.54, 120,720.28 and 50,877.89 is: 76,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,522.54 : 120,720.28 = 50,877.89 : x
  2. Step 2: Convert to fraction form
    80,522.54/120,720.28 = 50,877.89/x
  3. Step 3: Cross multiply
    80,522.54x = 120,720.28 × 50,877.89
  4. Step 4: Simplify right side
    80,522.54x = 6,141,993,126.61
  5. Step 5: Solve for x
    x = 6,141,993,126.61/80,522.54
  6. Step 6: Final answer
    x = 76,276.69

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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.