Home / 99,369.18-149,072.40-32,812.29

Finding the Fourth Proportional to 99,369.18, 149,072.40 and 32,812.29

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Solution

The fourth proportional to 99,369.18, 149,072.40 and 32,812.29 is: 49,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,369.18 : 149,072.40 = 32,812.29 : x
  2. Step 2: Convert to fraction form
    99,369.18/149,072.40 = 32,812.29/x
  3. Step 3: Cross multiply
    99,369.18x = 149,072.40 × 32,812.29
  4. Step 4: Simplify right side
    99,369.18x = 4,891,406,819.80
  5. Step 5: Solve for x
    x = 4,891,406,819.80/99,369.18
  6. Step 6: Final answer
    x = 49,224.59

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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.