Home / 82,174.62-113,400.75-44,448.78

Finding the Fourth Proportional to 82,174.62, 113,400.75 and 44,448.78

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Solution

The fourth proportional to 82,174.62, 113,400.75 and 44,448.78 is: 61,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,174.62 : 113,400.75 = 44,448.78 : x
  2. Step 2: Convert to fraction form
    82,174.62/113,400.75 = 44,448.78/x
  3. Step 3: Cross multiply
    82,174.62x = 113,400.75 × 44,448.78
  4. Step 4: Simplify right side
    82,174.62x = 5,040,524,988.59
  5. Step 5: Solve for x
    x = 5,040,524,988.59/82,174.62
  6. Step 6: Final answer
    x = 61,339.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.