Home / 82,589.72-113,991.92-54,298.04

Finding the Fourth Proportional to 82,589.72, 113,991.92 and 54,298.04

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Solution

The fourth proportional to 82,589.72, 113,991.92 and 54,298.04 is: 74,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,589.72 : 113,991.92 = 54,298.04 : x
  2. Step 2: Convert to fraction form
    82,589.72/113,991.92 = 54,298.04/x
  3. Step 3: Cross multiply
    82,589.72x = 113,991.92 × 54,298.04
  4. Step 4: Simplify right side
    82,589.72x = 6,189,537,831.84
  5. Step 5: Solve for x
    x = 6,189,537,831.84/82,589.72
  6. Step 6: Final answer
    x = 74,943.20

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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.