Home / 89,932.56-124,121.94-85,946.64

Finding the Fourth Proportional to 89,932.56, 124,121.94 and 85,946.64

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Solution

The fourth proportional to 89,932.56, 124,121.94 and 85,946.64 is: 118,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,932.56 : 124,121.94 = 85,946.64 : x
  2. Step 2: Convert to fraction form
    89,932.56/124,121.94 = 85,946.64/x
  3. Step 3: Cross multiply
    89,932.56x = 124,121.94 × 85,946.64
  4. Step 4: Simplify right side
    89,932.56x = 10,667,863,693.28
  5. Step 5: Solve for x
    x = 10,667,863,693.28/89,932.56
  6. Step 6: Final answer
    x = 118,620.71

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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.