Home / 79,849.71-119,795.09-29,930.49

Finding the Fourth Proportional to 79,849.71, 119,795.09 and 29,930.49

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Solution

The fourth proportional to 79,849.71, 119,795.09 and 29,930.49 is: 44,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,849.71 : 119,795.09 = 29,930.49 : x
  2. Step 2: Convert to fraction form
    79,849.71/119,795.09 = 29,930.49/x
  3. Step 3: Cross multiply
    79,849.71x = 119,795.09 × 29,930.49
  4. Step 4: Simplify right side
    79,849.71x = 3,585,525,593.64
  5. Step 5: Solve for x
    x = 3,585,525,593.64/79,849.71
  6. Step 6: Final answer
    x = 44,903.43

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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.