Home / 54,979.60-82,372.20-48,758.80

Finding the Fourth Proportional to 54,979.60, 82,372.20 and 48,758.80

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Solution

The fourth proportional to 54,979.60, 82,372.20 and 48,758.80 is: 73,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.60 : 82,372.20 = 48,758.80 : x
  2. Step 2: Convert to fraction form
    54,979.60/82,372.20 = 48,758.80/x
  3. Step 3: Cross multiply
    54,979.60x = 82,372.20 × 48,758.80
  4. Step 4: Simplify right side
    54,979.60x = 4,016,369,625.36
  5. Step 5: Solve for x
    x = 4,016,369,625.36/54,979.60
  6. Step 6: Final answer
    x = 73,052.00

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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.