Home / 89,825.56-123,956.80-49,538.59

Finding the Fourth Proportional to 89,825.56, 123,956.80 and 49,538.59

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Solution

The fourth proportional to 89,825.56, 123,956.80 and 49,538.59 is: 68,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,825.56 : 123,956.80 = 49,538.59 : x
  2. Step 2: Convert to fraction form
    89,825.56/123,956.80 = 49,538.59/x
  3. Step 3: Cross multiply
    89,825.56x = 123,956.80 × 49,538.59
  4. Step 4: Simplify right side
    89,825.56x = 6,140,644,659.17
  5. Step 5: Solve for x
    x = 6,140,644,659.17/89,825.56
  6. Step 6: Final answer
    x = 68,361.89

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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.