Home / 102,735.42-154,147.68-36,223.08

Finding the Fourth Proportional to 102,735.42, 154,147.68 and 36,223.08

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Solution

The fourth proportional to 102,735.42, 154,147.68 and 36,223.08 is: 54,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,735.42 : 154,147.68 = 36,223.08 : x
  2. Step 2: Convert to fraction form
    102,735.42/154,147.68 = 36,223.08/x
  3. Step 3: Cross multiply
    102,735.42x = 154,147.68 × 36,223.08
  4. Step 4: Simplify right side
    102,735.42x = 5,583,703,744.45
  5. Step 5: Solve for x
    x = 5,583,703,744.45/102,735.42
  6. Step 6: Final answer
    x = 54,350.33

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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.