Home / 91,511.10-137,270.90-32,352.75

Finding the Fourth Proportional to 91,511.10, 137,270.90 and 32,352.75

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Solution

The fourth proportional to 91,511.10, 137,270.90 and 32,352.75 is: 48,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,511.10 : 137,270.90 = 32,352.75 : x
  2. Step 2: Convert to fraction form
    91,511.10/137,270.90 = 32,352.75/x
  3. Step 3: Cross multiply
    91,511.10x = 137,270.90 × 32,352.75
  4. Step 4: Simplify right side
    91,511.10x = 4,441,091,190.86
  5. Step 5: Solve for x
    x = 4,441,091,190.86/91,511.10
  6. Step 6: Final answer
    x = 48,530.63

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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.