Home / 99,432.54-149,172.17-32,872.64

Finding the Fourth Proportional to 99,432.54, 149,172.17 and 32,872.64

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Solution

The fourth proportional to 99,432.54, 149,172.17 and 32,872.64 is: 49,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,432.54 : 149,172.17 = 32,872.64 : x
  2. Step 2: Convert to fraction form
    99,432.54/149,172.17 = 32,872.64/x
  3. Step 3: Cross multiply
    99,432.54x = 149,172.17 × 32,872.64
  4. Step 4: Simplify right side
    99,432.54x = 4,903,682,132.20
  5. Step 5: Solve for x
    x = 4,903,682,132.20/99,432.54
  6. Step 6: Final answer
    x = 49,316.67

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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.