Home / 80,112.06-110,556.52-44,302.76

Finding the Fourth Proportional to 80,112.06, 110,556.52 and 44,302.76

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Solution

The fourth proportional to 80,112.06, 110,556.52 and 44,302.76 is: 61,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,112.06 : 110,556.52 = 44,302.76 : x
  2. Step 2: Convert to fraction form
    80,112.06/110,556.52 = 44,302.76/x
  3. Step 3: Cross multiply
    80,112.06x = 110,556.52 × 44,302.76
  4. Step 4: Simplify right side
    80,112.06x = 4,897,958,972.00
  5. Step 5: Solve for x
    x = 4,897,958,972.00/80,112.06
  6. Step 6: Final answer
    x = 61,138.85

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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.