Home / 52,467.08-78,679.74-19,179.56

Finding the Fourth Proportional to 52,467.08, 78,679.74 and 19,179.56

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Solution

The fourth proportional to 52,467.08, 78,679.74 and 19,179.56 is: 28,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,467.08 : 78,679.74 = 19,179.56 : x
  2. Step 2: Convert to fraction form
    52,467.08/78,679.74 = 19,179.56/x
  3. Step 3: Cross multiply
    52,467.08x = 78,679.74 × 19,179.56
  4. Step 4: Simplify right side
    52,467.08x = 1,509,042,794.11
  5. Step 5: Solve for x
    x = 1,509,042,794.11/52,467.08
  6. Step 6: Final answer
    x = 28,761.71

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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.