Home / 91,348.60-137,039.82-32,221.84

Finding the Fourth Proportional to 91,348.60, 137,039.82 and 32,221.84

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Solution

The fourth proportional to 91,348.60, 137,039.82 and 32,221.84 is: 48,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,348.60 : 137,039.82 = 32,221.84 : x
  2. Step 2: Convert to fraction form
    91,348.60/137,039.82 = 32,221.84/x
  3. Step 3: Cross multiply
    91,348.60x = 137,039.82 × 32,221.84
  4. Step 4: Simplify right side
    91,348.60x = 4,415,675,153.67
  5. Step 5: Solve for x
    x = 4,415,675,153.67/91,348.60
  6. Step 6: Final answer
    x = 48,338.73

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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.