Home / 72,021.96-108,072.63-32,576.04

Finding the Fourth Proportional to 72,021.96, 108,072.63 and 32,576.04

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Solution

The fourth proportional to 72,021.96, 108,072.63 and 32,576.04 is: 48,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,021.96 : 108,072.63 = 32,576.04 : x
  2. Step 2: Convert to fraction form
    72,021.96/108,072.63 = 32,576.04/x
  3. Step 3: Cross multiply
    72,021.96x = 108,072.63 × 32,576.04
  4. Step 4: Simplify right side
    72,021.96x = 3,520,578,317.79
  5. Step 5: Solve for x
    x = 3,520,578,317.79/72,021.96
  6. Step 6: Final answer
    x = 48,882.01

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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.