Home / 68,778.61-103,183.40-24,405.28

Finding the Fourth Proportional to 68,778.61, 103,183.40 and 24,405.28

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Solution

The fourth proportional to 68,778.61, 103,183.40 and 24,405.28 is: 36,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,778.61 : 103,183.40 = 24,405.28 : x
  2. Step 2: Convert to fraction form
    68,778.61/103,183.40 = 24,405.28/x
  3. Step 3: Cross multiply
    68,778.61x = 103,183.40 × 24,405.28
  4. Step 4: Simplify right side
    68,778.61x = 2,518,219,768.35
  5. Step 5: Solve for x
    x = 2,518,219,768.35/68,778.61
  6. Step 6: Final answer
    x = 36,613.41

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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.