Home / 68,890.86-103,336.09-24,519.33

Finding the Fourth Proportional to 68,890.86, 103,336.09 and 24,519.33

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Solution

The fourth proportional to 68,890.86, 103,336.09 and 24,519.33 is: 36,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,890.86 : 103,336.09 = 24,519.33 : x
  2. Step 2: Convert to fraction form
    68,890.86/103,336.09 = 24,519.33/x
  3. Step 3: Cross multiply
    68,890.86x = 103,336.09 × 24,519.33
  4. Step 4: Simplify right side
    68,890.86x = 2,533,731,630.32
  5. Step 5: Solve for x
    x = 2,533,731,630.32/68,890.86
  6. Step 6: Final answer
    x = 36,778.92

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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.