Home / 54,190.65-81,231.30-24,629.70

Finding the Fourth Proportional to 54,190.65, 81,231.30 and 24,629.70

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Solution

The fourth proportional to 54,190.65, 81,231.30 and 24,629.70 is: 36,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190.65 : 81,231.30 = 24,629.70 : x
  2. Step 2: Convert to fraction form
    54,190.65/81,231.30 = 24,629.70/x
  3. Step 3: Cross multiply
    54,190.65x = 81,231.30 × 24,629.70
  4. Step 4: Simplify right side
    54,190.65x = 2,000,702,549.61
  5. Step 5: Solve for x
    x = 2,000,702,549.61/54,190.65
  6. Step 6: Final answer
    x = 36,919.70

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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.