Home / 82,014.90-123,027.21-25,856.79

Finding the Fourth Proportional to 82,014.90, 123,027.21 and 25,856.79

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Solution

The fourth proportional to 82,014.90, 123,027.21 and 25,856.79 is: 38,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,014.90 : 123,027.21 = 25,856.79 : x
  2. Step 2: Convert to fraction form
    82,014.90/123,027.21 = 25,856.79/x
  3. Step 3: Cross multiply
    82,014.90x = 123,027.21 × 25,856.79
  4. Step 4: Simplify right side
    82,014.90x = 3,181,088,733.26
  5. Step 5: Solve for x
    x = 3,181,088,733.26/82,014.90
  6. Step 6: Final answer
    x = 38,786.72

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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.