Home / 91,782.45-137,723.85-35,624.79

Finding the Fourth Proportional to 91,782.45, 137,723.85 and 35,624.79

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Solution

The fourth proportional to 91,782.45, 137,723.85 and 35,624.79 is: 53,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782.45 : 137,723.85 = 35,624.79 : x
  2. Step 2: Convert to fraction form
    91,782.45/137,723.85 = 35,624.79/x
  3. Step 3: Cross multiply
    91,782.45x = 137,723.85 × 35,624.79
  4. Step 4: Simplify right side
    91,782.45x = 4,906,383,234.24
  5. Step 5: Solve for x
    x = 4,906,383,234.24/91,782.45
  6. Step 6: Final answer
    x = 53,456.66

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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.