Home / 90,832.94-136,269.92-27,658.72

Finding the Fourth Proportional to 90,832.94, 136,269.92 and 27,658.72

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Solution

The fourth proportional to 90,832.94, 136,269.92 and 27,658.72 is: 41,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,832.94 : 136,269.92 = 27,658.72 : x
  2. Step 2: Convert to fraction form
    90,832.94/136,269.92 = 27,658.72/x
  3. Step 3: Cross multiply
    90,832.94x = 136,269.92 × 27,658.72
  4. Step 4: Simplify right side
    90,832.94x = 3,769,050,956.88
  5. Step 5: Solve for x
    x = 3,769,050,956.88/90,832.94
  6. Step 6: Final answer
    x = 41,494.32

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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.