Home / 64,086.56-96,138.98-19,717.04

Finding the Fourth Proportional to 64,086.56, 96,138.98 and 19,717.04

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Solution

The fourth proportional to 64,086.56, 96,138.98 and 19,717.04 is: 29,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,086.56 : 96,138.98 = 19,717.04 : x
  2. Step 2: Convert to fraction form
    64,086.56/96,138.98 = 19,717.04/x
  3. Step 3: Cross multiply
    64,086.56x = 96,138.98 × 19,717.04
  4. Step 4: Simplify right side
    64,086.56x = 1,895,576,114.22
  5. Step 5: Solve for x
    x = 1,895,576,114.22/64,086.56
  6. Step 6: Final answer
    x = 29,578.37

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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.