Home / 82,434.66-123,661.71-26,255.22

Finding the Fourth Proportional to 82,434.66, 123,661.71 and 26,255.22

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Solution

The fourth proportional to 82,434.66, 123,661.71 and 26,255.22 is: 39,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,434.66 : 123,661.71 = 26,255.22 : x
  2. Step 2: Convert to fraction form
    82,434.66/123,661.71 = 26,255.22/x
  3. Step 3: Cross multiply
    82,434.66x = 123,661.71 × 26,255.22
  4. Step 4: Simplify right side
    82,434.66x = 3,246,765,401.63
  5. Step 5: Solve for x
    x = 3,246,765,401.63/82,434.66
  6. Step 6: Final answer
    x = 39,385.93

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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.