Home / 81,029.44-111,815.07-44,729.18

Finding the Fourth Proportional to 81,029.44, 111,815.07 and 44,729.18

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Solution

The fourth proportional to 81,029.44, 111,815.07 and 44,729.18 is: 61,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,029.44 : 111,815.07 = 44,729.18 : x
  2. Step 2: Convert to fraction form
    81,029.44/111,815.07 = 44,729.18/x
  3. Step 3: Cross multiply
    81,029.44x = 111,815.07 × 44,729.18
  4. Step 4: Simplify right side
    81,029.44x = 5,001,395,833.67
  5. Step 5: Solve for x
    x = 5,001,395,833.67/81,029.44
  6. Step 6: Final answer
    x = 61,723.20

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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.