Home / 82,877.85-124,335.89-25,948.52

Finding the Fourth Proportional to 82,877.85, 124,335.89 and 25,948.52

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Solution

The fourth proportional to 82,877.85, 124,335.89 and 25,948.52 is: 38,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,877.85 : 124,335.89 = 25,948.52 : x
  2. Step 2: Convert to fraction form
    82,877.85/124,335.89 = 25,948.52/x
  3. Step 3: Cross multiply
    82,877.85x = 124,335.89 × 25,948.52
  4. Step 4: Simplify right side
    82,877.85x = 3,226,331,576.96
  5. Step 5: Solve for x
    x = 3,226,331,576.96/82,877.85
  6. Step 6: Final answer
    x = 38,928.76

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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.