Home / 82,818.68-124,252.86-25,890.26

Finding the Fourth Proportional to 82,818.68, 124,252.86 and 25,890.26

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Solution

The fourth proportional to 82,818.68, 124,252.86 and 25,890.26 is: 38,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,818.68 : 124,252.86 = 25,890.26 : x
  2. Step 2: Convert to fraction form
    82,818.68/124,252.86 = 25,890.26/x
  3. Step 3: Cross multiply
    82,818.68x = 124,252.86 × 25,890.26
  4. Step 4: Simplify right side
    82,818.68x = 3,216,938,229.88
  5. Step 5: Solve for x
    x = 3,216,938,229.88/82,818.68
  6. Step 6: Final answer
    x = 38,843.15

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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.