Home / 45,905.76-68,839.20-16,331.04

Finding the Fourth Proportional to 45,905.76, 68,839.20 and 16,331.04

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Solution

The fourth proportional to 45,905.76, 68,839.20 and 16,331.04 is: 24,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905.76 : 68,839.20 = 16,331.04 : x
  2. Step 2: Convert to fraction form
    45,905.76/68,839.20 = 16,331.04/x
  3. Step 3: Cross multiply
    45,905.76x = 68,839.20 × 16,331.04
  4. Step 4: Simplify right side
    45,905.76x = 1,124,215,728.77
  5. Step 5: Solve for x
    x = 1,124,215,728.77/45,905.76
  6. Step 6: Final answer
    x = 24,489.64

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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.