Home / 81,068.38-111,876.26-50,854.97

Finding the Fourth Proportional to 81,068.38, 111,876.26 and 50,854.97

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Solution

The fourth proportional to 81,068.38, 111,876.26 and 50,854.97 is: 70,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,068.38 : 111,876.26 = 50,854.97 : x
  2. Step 2: Convert to fraction form
    81,068.38/111,876.26 = 50,854.97/x
  3. Step 3: Cross multiply
    81,068.38x = 111,876.26 × 50,854.97
  4. Step 4: Simplify right side
    81,068.38x = 5,689,463,871.43
  5. Step 5: Solve for x
    x = 5,689,463,871.43/81,068.38
  6. Step 6: Final answer
    x = 70,181.05

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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.