Home / 79,904.36-119,910.05-33,157.28

Finding the Fourth Proportional to 79,904.36, 119,910.05 and 33,157.28

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Solution

The fourth proportional to 79,904.36, 119,910.05 and 33,157.28 is: 49,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,904.36 : 119,910.05 = 33,157.28 : x
  2. Step 2: Convert to fraction form
    79,904.36/119,910.05 = 33,157.28/x
  3. Step 3: Cross multiply
    79,904.36x = 119,910.05 × 33,157.28
  4. Step 4: Simplify right side
    79,904.36x = 3,975,890,936.88
  5. Step 5: Solve for x
    x = 3,975,890,936.88/79,904.36
  6. Step 6: Final answer
    x = 49,758.12

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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.