Home / 45,331.50-67,872.63-34,204.53

Finding the Fourth Proportional to 45,331.50, 67,872.63 and 34,204.53

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Solution

The fourth proportional to 45,331.50, 67,872.63 and 34,204.53 is: 51,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331.50 : 67,872.63 = 34,204.53 : x
  2. Step 2: Convert to fraction form
    45,331.50/67,872.63 = 34,204.53/x
  3. Step 3: Cross multiply
    45,331.50x = 67,872.63 × 34,204.53
  4. Step 4: Simplify right side
    45,331.50x = 2,321,551,410.02
  5. Step 5: Solve for x
    x = 2,321,551,410.02/45,331.50
  6. Step 6: Final answer
    x = 51,212.77

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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.