Home / 91,338.66-137,021.70-32,163.90

Finding the Fourth Proportional to 91,338.66, 137,021.70 and 32,163.90

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Solution

The fourth proportional to 91,338.66, 137,021.70 and 32,163.90 is: 48,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,338.66 : 137,021.70 = 32,163.90 : x
  2. Step 2: Convert to fraction form
    91,338.66/137,021.70 = 32,163.90/x
  3. Step 3: Cross multiply
    91,338.66x = 137,021.70 × 32,163.90
  4. Step 4: Simplify right side
    91,338.66x = 4,407,152,256.63
  5. Step 5: Solve for x
    x = 4,407,152,256.63/91,338.66
  6. Step 6: Final answer
    x = 48,250.68

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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.