Home / 80,112.06-110,555.73-44,301.78

Finding the Fourth Proportional to 80,112.06, 110,555.73 and 44,301.78

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Solution

The fourth proportional to 80,112.06, 110,555.73 and 44,301.78 is: 61,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,112.06 : 110,555.73 = 44,301.78 : x
  2. Step 2: Convert to fraction form
    80,112.06/110,555.73 = 44,301.78/x
  3. Step 3: Cross multiply
    80,112.06x = 110,555.73 × 44,301.78
  4. Step 4: Simplify right side
    80,112.06x = 4,897,815,628.20
  5. Step 5: Solve for x
    x = 4,897,815,628.20/80,112.06
  6. Step 6: Final answer
    x = 61,137.06

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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.