Home / 82,229.12-123,386.90-58,367.41

Finding the Fourth Proportional to 82,229.12, 123,386.90 and 58,367.41

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Solution

The fourth proportional to 82,229.12, 123,386.90 and 58,367.41 is: 87,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,229.12 : 123,386.90 = 58,367.41 : x
  2. Step 2: Convert to fraction form
    82,229.12/123,386.90 = 58,367.41/x
  3. Step 3: Cross multiply
    82,229.12x = 123,386.90 × 58,367.41
  4. Step 4: Simplify right side
    82,229.12x = 7,201,773,998.26
  5. Step 5: Solve for x
    x = 7,201,773,998.26/82,229.12
  6. Step 6: Final answer
    x = 87,581.80

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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.