Home / 106,772.40-159,982.68-36,613.20

Finding the Fourth Proportional to 106,772.40, 159,982.68 and 36,613.20

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Solution

The fourth proportional to 106,772.40, 159,982.68 and 36,613.20 is: 54,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,772.40 : 159,982.68 = 36,613.20 : x
  2. Step 2: Convert to fraction form
    106,772.40/159,982.68 = 36,613.20/x
  3. Step 3: Cross multiply
    106,772.40x = 159,982.68 × 36,613.20
  4. Step 4: Simplify right side
    106,772.40x = 5,857,477,859.38
  5. Step 5: Solve for x
    x = 5,857,477,859.38/106,772.40
  6. Step 6: Final answer
    x = 54,859.48

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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.