Home / 82,571.44-113,995.80-54,359.14

Finding the Fourth Proportional to 82,571.44, 113,995.80 and 54,359.14

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Solution

The fourth proportional to 82,571.44, 113,995.80 and 54,359.14 is: 75,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,571.44 : 113,995.80 = 54,359.14 : x
  2. Step 2: Convert to fraction form
    82,571.44/113,995.80 = 54,359.14/x
  3. Step 3: Cross multiply
    82,571.44x = 113,995.80 × 54,359.14
  4. Step 4: Simplify right side
    82,571.44x = 6,196,713,651.61
  5. Step 5: Solve for x
    x = 6,196,713,651.61/82,571.44
  6. Step 6: Final answer
    x = 75,046.69

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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.