Home / 80,239.11-110,721.03-44,420.15

Finding the Fourth Proportional to 80,239.11, 110,721.03 and 44,420.15

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Solution

The fourth proportional to 80,239.11, 110,721.03 and 44,420.15 is: 61,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,239.11 : 110,721.03 = 44,420.15 : x
  2. Step 2: Convert to fraction form
    80,239.11/110,721.03 = 44,420.15/x
  3. Step 3: Cross multiply
    80,239.11x = 110,721.03 × 44,420.15
  4. Step 4: Simplify right side
    80,239.11x = 4,918,244,760.75
  5. Step 5: Solve for x
    x = 4,918,244,760.75/80,239.11
  6. Step 6: Final answer
    x = 61,294.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.