Home / 54,991.10-82,340.85-43,327.10

Finding the Fourth Proportional to 54,991.10, 82,340.85 and 43,327.10

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Solution

The fourth proportional to 54,991.10, 82,340.85 and 43,327.10 is: 64,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,991.10 : 82,340.85 = 43,327.10 : x
  2. Step 2: Convert to fraction form
    54,991.10/82,340.85 = 43,327.10/x
  3. Step 3: Cross multiply
    54,991.10x = 82,340.85 × 43,327.10
  4. Step 4: Simplify right side
    54,991.10x = 3,567,590,242.04
  5. Step 5: Solve for x
    x = 3,567,590,242.04/54,991.10
  6. Step 6: Final answer
    x = 64,875.78

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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.