Home / 82,038.48-123,060.36-25,879.12

Finding the Fourth Proportional to 82,038.48, 123,060.36 and 25,879.12

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Solution

The fourth proportional to 82,038.48, 123,060.36 and 25,879.12 is: 38,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,038.48 : 123,060.36 = 25,879.12 : x
  2. Step 2: Convert to fraction form
    82,038.48/123,060.36 = 25,879.12/x
  3. Step 3: Cross multiply
    82,038.48x = 123,060.36 × 25,879.12
  4. Step 4: Simplify right side
    82,038.48x = 3,184,693,823.68
  5. Step 5: Solve for x
    x = 3,184,693,823.68/82,038.48
  6. Step 6: Final answer
    x = 38,819.51

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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.