Home / 83,576.34-125,298.83-57,201.12

Finding the Fourth Proportional to 83,576.34, 125,298.83 and 57,201.12

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Solution

The fourth proportional to 83,576.34, 125,298.83 and 57,201.12 is: 85,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,576.34 : 125,298.83 = 57,201.12 : x
  2. Step 2: Convert to fraction form
    83,576.34/125,298.83 = 57,201.12/x
  3. Step 3: Cross multiply
    83,576.34x = 125,298.83 × 57,201.12
  4. Step 4: Simplify right side
    83,576.34x = 7,167,233,553.69
  5. Step 5: Solve for x
    x = 7,167,233,553.69/83,576.34
  6. Step 6: Final answer
    x = 85,756.73

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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.