Home / 67,912.41-93,723.68-39,237.65

Finding the Fourth Proportional to 67,912.41, 93,723.68 and 39,237.65

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Solution

The fourth proportional to 67,912.41, 93,723.68 and 39,237.65 is: 54,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,912.41 : 93,723.68 = 39,237.65 : x
  2. Step 2: Convert to fraction form
    67,912.41/93,723.68 = 39,237.65/x
  3. Step 3: Cross multiply
    67,912.41x = 93,723.68 × 39,237.65
  4. Step 4: Simplify right side
    67,912.41x = 3,677,496,287.75
  5. Step 5: Solve for x
    x = 3,677,496,287.75/67,912.41
  6. Step 6: Final answer
    x = 54,150.58

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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.