Home / 82,286.28-113,557.14-50,472.72

Finding the Fourth Proportional to 82,286.28, 113,557.14 and 50,472.72

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Solution

The fourth proportional to 82,286.28, 113,557.14 and 50,472.72 is: 69,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,286.28 : 113,557.14 = 50,472.72 : x
  2. Step 2: Convert to fraction form
    82,286.28/113,557.14 = 50,472.72/x
  3. Step 3: Cross multiply
    82,286.28x = 113,557.14 × 50,472.72
  4. Step 4: Simplify right side
    82,286.28x = 5,731,537,731.22
  5. Step 5: Solve for x
    x = 5,731,537,731.22/82,286.28
  6. Step 6: Final answer
    x = 69,653.63

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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.