Home / 64,319.05-96,487.92-19,949.38

Finding the Fourth Proportional to 64,319.05, 96,487.92 and 19,949.38

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Solution

The fourth proportional to 64,319.05, 96,487.92 and 19,949.38 is: 29,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.05 : 96,487.92 = 19,949.38 : x
  2. Step 2: Convert to fraction form
    64,319.05/96,487.92 = 19,949.38/x
  3. Step 3: Cross multiply
    64,319.05x = 96,487.92 × 19,949.38
  4. Step 4: Simplify right side
    64,319.05x = 1,924,873,865.46
  5. Step 5: Solve for x
    x = 1,924,873,865.46/64,319.05
  6. Step 6: Final answer
    x = 29,926.96

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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.