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Finding the Fourth Proportional to 64,141.61, 96,212.41 and 17,393.27

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Solution

The fourth proportional to 64,141.61, 96,212.41 and 17,393.27 is: 26,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,141.61 : 96,212.41 = 17,393.27 : x
  2. Step 2: Convert to fraction form
    64,141.61/96,212.41 = 17,393.27/x
  3. Step 3: Cross multiply
    64,141.61x = 96,212.41 × 17,393.27
  4. Step 4: Simplify right side
    64,141.61x = 1,673,447,899.94
  5. Step 5: Solve for x
    x = 1,673,447,899.94/64,141.61
  6. Step 6: Final answer
    x = 26,089.90

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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.