Home / 82,171.08-123,275.06-26,014.55

Finding the Fourth Proportional to 82,171.08, 123,275.06 and 26,014.55

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Solution

The fourth proportional to 82,171.08, 123,275.06 and 26,014.55 is: 39,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,171.08 : 123,275.06 = 26,014.55 : x
  2. Step 2: Convert to fraction form
    82,171.08/123,275.06 = 26,014.55/x
  3. Step 3: Cross multiply
    82,171.08x = 123,275.06 × 26,014.55
  4. Step 4: Simplify right side
    82,171.08x = 3,206,944,465.67
  5. Step 5: Solve for x
    x = 3,206,944,465.67/82,171.08
  6. Step 6: Final answer
    x = 39,027.65

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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.