Home / 82,014.15-123,026.09-25,856.04

Finding the Fourth Proportional to 82,014.15, 123,026.09 and 25,856.04

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Solution

The fourth proportional to 82,014.15, 123,026.09 and 25,856.04 is: 38,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,014.15 : 123,026.09 = 25,856.04 : x
  2. Step 2: Convert to fraction form
    82,014.15/123,026.09 = 25,856.04/x
  3. Step 3: Cross multiply
    82,014.15x = 123,026.09 × 25,856.04
  4. Step 4: Simplify right side
    82,014.15x = 3,180,967,374.80
  5. Step 5: Solve for x
    x = 3,180,967,374.80/82,014.15
  6. Step 6: Final answer
    x = 38,785.59

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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.