Home / 68,767.88-103,130.24-26,645.04

Finding the Fourth Proportional to 68,767.88, 103,130.24 and 26,645.04

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Solution

The fourth proportional to 68,767.88, 103,130.24 and 26,645.04 is: 39,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,767.88 : 103,130.24 = 26,645.04 : x
  2. Step 2: Convert to fraction form
    68,767.88/103,130.24 = 26,645.04/x
  3. Step 3: Cross multiply
    68,767.88x = 103,130.24 × 26,645.04
  4. Step 4: Simplify right side
    68,767.88x = 2,747,909,236.78
  5. Step 5: Solve for x
    x = 2,747,909,236.78/68,767.88
  6. Step 6: Final answer
    x = 39,959.20

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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.