Home / 64,122.12-96,204.78-19,747.08

Finding the Fourth Proportional to 64,122.12, 96,204.78 and 19,747.08

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Solution

The fourth proportional to 64,122.12, 96,204.78 and 19,747.08 is: 29,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.12 : 96,204.78 = 19,747.08 : x
  2. Step 2: Convert to fraction form
    64,122.12/96,204.78 = 19,747.08/x
  3. Step 3: Cross multiply
    64,122.12x = 96,204.78 × 19,747.08
  4. Step 4: Simplify right side
    64,122.12x = 1,899,763,487.04
  5. Step 5: Solve for x
    x = 1,899,763,487.04/64,122.12
  6. Step 6: Final answer
    x = 29,627.27

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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.