Home / 91,377.70-137,097.66-49,261.84

Finding the Fourth Proportional to 91,377.70, 137,097.66 and 49,261.84

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Solution

The fourth proportional to 91,377.70, 137,097.66 and 49,261.84 is: 73,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,377.70 : 137,097.66 = 49,261.84 : x
  2. Step 2: Convert to fraction form
    91,377.70/137,097.66 = 49,261.84/x
  3. Step 3: Cross multiply
    91,377.70x = 137,097.66 × 49,261.84
  4. Step 4: Simplify right side
    91,377.70x = 6,753,682,991.29
  5. Step 5: Solve for x
    x = 6,753,682,991.29/91,377.70
  6. Step 6: Final answer
    x = 73,909.53

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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.