Home / 215,493.24-323,239.65-57,717.39

Finding the Fourth Proportional to 215,493.24, 323,239.65 and 57,717.39

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Solution

The fourth proportional to 215,493.24, 323,239.65 and 57,717.39 is: 86,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,493.24 : 323,239.65 = 57,717.39 : x
  2. Step 2: Convert to fraction form
    215,493.24/323,239.65 = 57,717.39/x
  3. Step 3: Cross multiply
    215,493.24x = 323,239.65 × 57,717.39
  4. Step 4: Simplify right side
    215,493.24x = 18,656,548,942.51
  5. Step 5: Solve for x
    x = 18,656,548,942.51/215,493.24
  6. Step 6: Final answer
    x = 86,576.03

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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.