Home / 54,821.17-82,260.56-38,913.36

Finding the Fourth Proportional to 54,821.17, 82,260.56 and 38,913.36

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Solution

The fourth proportional to 54,821.17, 82,260.56 and 38,913.36 is: 58,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,821.17 : 82,260.56 = 38,913.36 : x
  2. Step 2: Convert to fraction form
    54,821.17/82,260.56 = 38,913.36/x
  3. Step 3: Cross multiply
    54,821.17x = 82,260.56 × 38,913.36
  4. Step 4: Simplify right side
    54,821.17x = 3,201,034,785.08
  5. Step 5: Solve for x
    x = 3,201,034,785.08/54,821.17
  6. Step 6: Final answer
    x = 58,390.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.