Home / 68,780.58-103,186.38-24,407.28

Finding the Fourth Proportional to 68,780.58, 103,186.38 and 24,407.28

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Solution

The fourth proportional to 68,780.58, 103,186.38 and 24,407.28 is: 36,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,780.58 : 103,186.38 = 24,407.28 : x
  2. Step 2: Convert to fraction form
    68,780.58/103,186.38 = 24,407.28/x
  3. Step 3: Cross multiply
    68,780.58x = 103,186.38 × 24,407.28
  4. Step 4: Simplify right side
    68,780.58x = 2,518,498,868.85
  5. Step 5: Solve for x
    x = 2,518,498,868.85/68,780.58
  6. Step 6: Final answer
    x = 36,616.42

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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.