Home / 102,940.62-154,423.38-36,367.12

Finding the Fourth Proportional to 102,940.62, 154,423.38 and 36,367.12

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Solution

The fourth proportional to 102,940.62, 154,423.38 and 36,367.12 is: 54,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,940.62 : 154,423.38 = 36,367.12 : x
  2. Step 2: Convert to fraction form
    102,940.62/154,423.38 = 36,367.12/x
  3. Step 3: Cross multiply
    102,940.62x = 154,423.38 × 36,367.12
  4. Step 4: Simplify right side
    102,940.62x = 5,615,933,920.67
  5. Step 5: Solve for x
    x = 5,615,933,920.67/102,940.62
  6. Step 6: Final answer
    x = 54,555.08

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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.