Home / 52,488.23-78,709.25-19,199.66

Finding the Fourth Proportional to 52,488.23, 78,709.25 and 19,199.66

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Solution

The fourth proportional to 52,488.23, 78,709.25 and 19,199.66 is: 28,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488.23 : 78,709.25 = 19,199.66 : x
  2. Step 2: Convert to fraction form
    52,488.23/78,709.25 = 19,199.66/x
  3. Step 3: Cross multiply
    52,488.23x = 78,709.25 × 19,199.66
  4. Step 4: Simplify right side
    52,488.23x = 1,511,190,493.31
  5. Step 5: Solve for x
    x = 1,511,190,493.31/52,488.23
  6. Step 6: Final answer
    x = 28,791.04

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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.