Home / 81,133.38-111,961.88-44,338.15

Finding the Fourth Proportional to 81,133.38, 111,961.88 and 44,338.15

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Solution

The fourth proportional to 81,133.38, 111,961.88 and 44,338.15 is: 61,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,133.38 : 111,961.88 = 44,338.15 : x
  2. Step 2: Convert to fraction form
    81,133.38/111,961.88 = 44,338.15/x
  3. Step 3: Cross multiply
    81,133.38x = 111,961.88 × 44,338.15
  4. Step 4: Simplify right side
    81,133.38x = 4,964,182,629.72
  5. Step 5: Solve for x
    x = 4,964,182,629.72/81,133.38
  6. Step 6: Final answer
    x = 61,185.45

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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.