Home / 82,854.20-113,542.06-74,882.36

Finding the Fourth Proportional to 82,854.20, 113,542.06 and 74,882.36

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Solution

The fourth proportional to 82,854.20, 113,542.06 and 74,882.36 is: 102,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,854.20 : 113,542.06 = 74,882.36 : x
  2. Step 2: Convert to fraction form
    82,854.20/113,542.06 = 74,882.36/x
  3. Step 3: Cross multiply
    82,854.20x = 113,542.06 × 74,882.36
  4. Step 4: Simplify right side
    82,854.20x = 8,502,297,412.06
  5. Step 5: Solve for x
    x = 8,502,297,412.06/82,854.20
  6. Step 6: Final answer
    x = 102,617.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.