Home / 79,328.11-119,003.30-23,172.34

Finding the Fourth Proportional to 79,328.11, 119,003.30 and 23,172.34

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Solution

The fourth proportional to 79,328.11, 119,003.30 and 23,172.34 is: 34,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,328.11 : 119,003.30 = 23,172.34 : x
  2. Step 2: Convert to fraction form
    79,328.11/119,003.30 = 23,172.34/x
  3. Step 3: Cross multiply
    79,328.11x = 119,003.30 × 23,172.34
  4. Step 4: Simplify right side
    79,328.11x = 2,757,584,928.72
  5. Step 5: Solve for x
    x = 2,757,584,928.72/79,328.11
  6. Step 6: Final answer
    x = 34,761.76

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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.