Home / 54,865.92-81,899.52-49,643.52

Finding the Fourth Proportional to 54,865.92, 81,899.52 and 49,643.52

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Solution

The fourth proportional to 54,865.92, 81,899.52 and 49,643.52 is: 74,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,865.92 : 81,899.52 = 49,643.52 : x
  2. Step 2: Convert to fraction form
    54,865.92/81,899.52 = 49,643.52/x
  3. Step 3: Cross multiply
    54,865.92x = 81,899.52 × 49,643.52
  4. Step 4: Simplify right side
    54,865.92x = 4,065,780,459.11
  5. Step 5: Solve for x
    x = 4,065,780,459.11/54,865.92
  6. Step 6: Final answer
    x = 74,103.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.