Home / 48,755.10-73,132.65-45,474.60

Finding the Fourth Proportional to 48,755.10, 73,132.65 and 45,474.60

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Solution

The fourth proportional to 48,755.10, 73,132.65 and 45,474.60 is: 68,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.10 : 73,132.65 = 45,474.60 : x
  2. Step 2: Convert to fraction form
    48,755.10/73,132.65 = 45,474.60/x
  3. Step 3: Cross multiply
    48,755.10x = 73,132.65 × 45,474.60
  4. Step 4: Simplify right side
    48,755.10x = 3,325,678,005.69
  5. Step 5: Solve for x
    x = 3,325,678,005.69/48,755.10
  6. Step 6: Final answer
    x = 68,211.90

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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.