Home / 54,747.10-82,120.65-17,811.10

Finding the Fourth Proportional to 54,747.10, 82,120.65 and 17,811.10

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Solution

The fourth proportional to 54,747.10, 82,120.65 and 17,811.10 is: 26,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,747.10 : 82,120.65 = 17,811.10 : x
  2. Step 2: Convert to fraction form
    54,747.10/82,120.65 = 17,811.10/x
  3. Step 3: Cross multiply
    54,747.10x = 82,120.65 × 17,811.10
  4. Step 4: Simplify right side
    54,747.10x = 1,462,659,109.22
  5. Step 5: Solve for x
    x = 1,462,659,109.22/54,747.10
  6. Step 6: Final answer
    x = 26,716.65

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1.5x scale

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.