Home / 52,443.51-78,676.66-19,163.52

Finding the Fourth Proportional to 52,443.51, 78,676.66 and 19,163.52

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Solution

The fourth proportional to 52,443.51, 78,676.66 and 19,163.52 is: 28,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,443.51 : 78,676.66 = 19,163.52 : x
  2. Step 2: Convert to fraction form
    52,443.51/78,676.66 = 19,163.52/x
  3. Step 3: Cross multiply
    52,443.51x = 78,676.66 × 19,163.52
  4. Step 4: Simplify right side
    52,443.51x = 1,507,721,747.44
  5. Step 5: Solve for x
    x = 1,507,721,747.44/52,443.51
  6. Step 6: Final answer
    x = 28,749.44

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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.