Home / 82,818.44-124,224.92-26,661.75

Finding the Fourth Proportional to 82,818.44, 124,224.92 and 26,661.75

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Solution

The fourth proportional to 82,818.44, 124,224.92 and 26,661.75 is: 39,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,818.44 : 124,224.92 = 26,661.75 : x
  2. Step 2: Convert to fraction form
    82,818.44/124,224.92 = 26,661.75/x
  3. Step 3: Cross multiply
    82,818.44x = 124,224.92 × 26,661.75
  4. Step 4: Simplify right side
    82,818.44x = 3,312,053,760.81
  5. Step 5: Solve for x
    x = 3,312,053,760.81/82,818.44
  6. Step 6: Final answer
    x = 39,991.74

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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.