Home / 91,500.54-137,171.82-35,379.96

Finding the Fourth Proportional to 91,500.54, 137,171.82 and 35,379.96

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Solution

The fourth proportional to 91,500.54, 137,171.82 and 35,379.96 is: 53,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,500.54 : 137,171.82 = 35,379.96 : x
  2. Step 2: Convert to fraction form
    91,500.54/137,171.82 = 35,379.96/x
  3. Step 3: Cross multiply
    91,500.54x = 137,171.82 × 35,379.96
  4. Step 4: Simplify right side
    91,500.54x = 4,853,133,504.73
  5. Step 5: Solve for x
    x = 4,853,133,504.73/91,500.54
  6. Step 6: Final answer
    x = 53,039.40

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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.