Home / 82,568.80-113,992.23-54,356.50

Finding the Fourth Proportional to 82,568.80, 113,992.23 and 54,356.50

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Solution

The fourth proportional to 82,568.80, 113,992.23 and 54,356.50 is: 75,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,568.80 : 113,992.23 = 54,356.50 : x
  2. Step 2: Convert to fraction form
    82,568.80/113,992.23 = 54,356.50/x
  3. Step 3: Cross multiply
    82,568.80x = 113,992.23 × 54,356.50
  4. Step 4: Simplify right side
    82,568.80x = 6,196,218,650.00
  5. Step 5: Solve for x
    x = 6,196,218,650.00/82,568.80
  6. Step 6: Final answer
    x = 75,043.10

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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.