Home / 80,110.48-110,553.16-44,302.90

Finding the Fourth Proportional to 80,110.48, 110,553.16 and 44,302.90

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Solution

The fourth proportional to 80,110.48, 110,553.16 and 44,302.90 is: 61,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,110.48 : 110,553.16 = 44,302.90 : x
  2. Step 2: Convert to fraction form
    80,110.48/110,553.16 = 44,302.90/x
  3. Step 3: Cross multiply
    80,110.48x = 110,553.16 × 44,302.90
  4. Step 4: Simplify right side
    80,110.48x = 4,897,825,592.16
  5. Step 5: Solve for x
    x = 4,897,825,592.16/80,110.48
  6. Step 6: Final answer
    x = 61,138.39

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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.