Home / 82,777.73-124,069.37-38,310.57

Finding the Fourth Proportional to 82,777.73, 124,069.37 and 38,310.57

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Solution

The fourth proportional to 82,777.73, 124,069.37 and 38,310.57 is: 57,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,777.73 : 124,069.37 = 38,310.57 : x
  2. Step 2: Convert to fraction form
    82,777.73/124,069.37 = 38,310.57/x
  3. Step 3: Cross multiply
    82,777.73x = 124,069.37 × 38,310.57
  4. Step 4: Simplify right side
    82,777.73x = 4,753,168,092.69
  5. Step 5: Solve for x
    x = 4,753,168,092.69/82,777.73
  6. Step 6: Final answer
    x = 57,420.86

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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.