Home / 82,286.70-113,476.14-69,540.18

Finding the Fourth Proportional to 82,286.70, 113,476.14 and 69,540.18

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Solution

The fourth proportional to 82,286.70, 113,476.14 and 69,540.18 is: 95,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,286.70 : 113,476.14 = 69,540.18 : x
  2. Step 2: Convert to fraction form
    82,286.70/113,476.14 = 69,540.18/x
  3. Step 3: Cross multiply
    82,286.70x = 113,476.14 × 69,540.18
  4. Step 4: Simplify right side
    82,286.70x = 7,891,151,201.31
  5. Step 5: Solve for x
    x = 7,891,151,201.31/82,286.70
  6. Step 6: Final answer
    x = 95,898.26

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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.