Home / 82,171.18-123,275.22-26,014.63

Finding the Fourth Proportional to 82,171.18, 123,275.22 and 26,014.63

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Solution

The fourth proportional to 82,171.18, 123,275.22 and 26,014.63 is: 39,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,171.18 : 123,275.22 = 26,014.63 : x
  2. Step 2: Convert to fraction form
    82,171.18/123,275.22 = 26,014.63/x
  3. Step 3: Cross multiply
    82,171.18x = 123,275.22 × 26,014.63
  4. Step 4: Simplify right side
    82,171.18x = 3,206,959,236.47
  5. Step 5: Solve for x
    x = 3,206,959,236.47/82,171.18
  6. Step 6: Final answer
    x = 39,027.79

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1.5x scale

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.