Home / 48,731.20-73,096.80-11,795.20

Finding the Fourth Proportional to 48,731.20, 73,096.80 and 11,795.20

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Solution

The fourth proportional to 48,731.20, 73,096.80 and 11,795.20 is: 17,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731.20 : 73,096.80 = 11,795.20 : x
  2. Step 2: Convert to fraction form
    48,731.20/73,096.80 = 11,795.20/x
  3. Step 3: Cross multiply
    48,731.20x = 73,096.80 × 11,795.20
  4. Step 4: Simplify right side
    48,731.20x = 862,191,375.36
  5. Step 5: Solve for x
    x = 862,191,375.36/48,731.20
  6. Step 6: Final answer
    x = 17,692.80

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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.