Home / 48,921.80-73,236.90-29,190.20

Finding the Fourth Proportional to 48,921.80, 73,236.90 and 29,190.20

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Solution

The fourth proportional to 48,921.80, 73,236.90 and 29,190.20 is: 43,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,921.80 : 73,236.90 = 29,190.20 : x
  2. Step 2: Convert to fraction form
    48,921.80/73,236.90 = 29,190.20/x
  3. Step 3: Cross multiply
    48,921.80x = 73,236.90 × 29,190.20
  4. Step 4: Simplify right side
    48,921.80x = 2,137,799,758.38
  5. Step 5: Solve for x
    x = 2,137,799,758.38/48,921.80
  6. Step 6: Final answer
    x = 43,698.31

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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.