Home / 68,832.80-103,249.92-29,365.28

Finding the Fourth Proportional to 68,832.80, 103,249.92 and 29,365.28

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Solution

The fourth proportional to 68,832.80, 103,249.92 and 29,365.28 is: 44,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,832.80 : 103,249.92 = 29,365.28 : x
  2. Step 2: Convert to fraction form
    68,832.80/103,249.92 = 29,365.28/x
  3. Step 3: Cross multiply
    68,832.80x = 103,249.92 × 29,365.28
  4. Step 4: Simplify right side
    68,832.80x = 3,031,962,810.78
  5. Step 5: Solve for x
    x = 3,031,962,810.78/68,832.80
  6. Step 6: Final answer
    x = 44,048.23

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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.