Home / 82,159.71-123,221.78-26,004.39

Finding the Fourth Proportional to 82,159.71, 123,221.78 and 26,004.39

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Solution

The fourth proportional to 82,159.71, 123,221.78 and 26,004.39 is: 39,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,159.71 : 123,221.78 = 26,004.39 : x
  2. Step 2: Convert to fraction form
    82,159.71/123,221.78 = 26,004.39/x
  3. Step 3: Cross multiply
    82,159.71x = 123,221.78 × 26,004.39
  4. Step 4: Simplify right side
    82,159.71x = 3,204,307,093.59
  5. Step 5: Solve for x
    x = 3,204,307,093.59/82,159.71
  6. Step 6: Final answer
    x = 39,000.95

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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.