Home / 82,335.64-113,628.87-50,082.86

Finding the Fourth Proportional to 82,335.64, 113,628.87 and 50,082.86

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Solution

The fourth proportional to 82,335.64, 113,628.87 and 50,082.86 is: 69,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,335.64 : 113,628.87 = 50,082.86 : x
  2. Step 2: Convert to fraction form
    82,335.64/113,628.87 = 50,082.86/x
  3. Step 3: Cross multiply
    82,335.64x = 113,628.87 × 50,082.86
  4. Step 4: Simplify right side
    82,335.64x = 5,690,858,788.17
  5. Step 5: Solve for x
    x = 5,690,858,788.17/82,335.64
  6. Step 6: Final answer
    x = 69,117.81

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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.