Home / 80,520.54-120,717.28-50,875.89

Finding the Fourth Proportional to 80,520.54, 120,717.28 and 50,875.89

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Solution

The fourth proportional to 80,520.54, 120,717.28 and 50,875.89 is: 76,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,520.54 : 120,717.28 = 50,875.89 : x
  2. Step 2: Convert to fraction form
    80,520.54/120,717.28 = 50,875.89/x
  3. Step 3: Cross multiply
    80,520.54x = 120,717.28 × 50,875.89
  4. Step 4: Simplify right side
    80,520.54x = 6,141,599,058.38
  5. Step 5: Solve for x
    x = 6,141,599,058.38/80,520.54
  6. Step 6: Final answer
    x = 76,273.69

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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.