Home / 54,774.11-82,161.17-49,918.97

Finding the Fourth Proportional to 54,774.11, 82,161.17 and 49,918.97

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Solution

The fourth proportional to 54,774.11, 82,161.17 and 49,918.97 is: 74,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,774.11 : 82,161.17 = 49,918.97 : x
  2. Step 2: Convert to fraction form
    54,774.11/82,161.17 = 49,918.97/x
  3. Step 3: Cross multiply
    54,774.11x = 82,161.17 × 49,918.97
  4. Step 4: Simplify right side
    54,774.11x = 4,101,400,319.99
  5. Step 5: Solve for x
    x = 4,101,400,319.99/54,774.11
  6. Step 6: Final answer
    x = 74,878.45

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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.