Home / 83,930.38-125,832.68-50,642.58

Finding the Fourth Proportional to 83,930.38, 125,832.68 and 50,642.58

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Solution

The fourth proportional to 83,930.38, 125,832.68 and 50,642.58 is: 75,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,930.38 : 125,832.68 = 50,642.58 : x
  2. Step 2: Convert to fraction form
    83,930.38/125,832.68 = 50,642.58/x
  3. Step 3: Cross multiply
    83,930.38x = 125,832.68 × 50,642.58
  4. Step 4: Simplify right side
    83,930.38x = 6,372,491,563.51
  5. Step 5: Solve for x
    x = 6,372,491,563.51/83,930.38
  6. Step 6: Final answer
    x = 75,925.92

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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.