Home / 82,968.40-124,576.82-47,469.75

Finding the Fourth Proportional to 82,968.40, 124,576.82 and 47,469.75

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Solution

The fourth proportional to 82,968.40, 124,576.82 and 47,469.75 is: 71,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,968.40 : 124,576.82 = 47,469.75 : x
  2. Step 2: Convert to fraction form
    82,968.40/124,576.82 = 47,469.75/x
  3. Step 3: Cross multiply
    82,968.40x = 124,576.82 × 47,469.75
  4. Step 4: Simplify right side
    82,968.40x = 5,913,629,874.56
  5. Step 5: Solve for x
    x = 5,913,629,874.56/82,968.40
  6. Step 6: Final answer
    x = 71,275.69

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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.