Home / 91,559.50-137,340.11-32,405.20

Finding the Fourth Proportional to 91,559.50, 137,340.11 and 32,405.20

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Solution

The fourth proportional to 91,559.50, 137,340.11 and 32,405.20 is: 48,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,559.50 : 137,340.11 = 32,405.20 : x
  2. Step 2: Convert to fraction form
    91,559.50/137,340.11 = 32,405.20/x
  3. Step 3: Cross multiply
    91,559.50x = 137,340.11 × 32,405.20
  4. Step 4: Simplify right side
    91,559.50x = 4,450,533,732.57
  5. Step 5: Solve for x
    x = 4,450,533,732.57/91,559.50
  6. Step 6: Final answer
    x = 48,608.10

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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.