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Finding the Fourth Proportional to 64,161.81, 96,201.69 and 26,747.70

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Solution

The fourth proportional to 64,161.81, 96,201.69 and 26,747.70 is: 40,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,161.81 : 96,201.69 = 26,747.70 : x
  2. Step 2: Convert to fraction form
    64,161.81/96,201.69 = 26,747.70/x
  3. Step 3: Cross multiply
    64,161.81x = 96,201.69 × 26,747.70
  4. Step 4: Simplify right side
    64,161.81x = 2,573,173,943.61
  5. Step 5: Solve for x
    x = 2,573,173,943.61/64,161.81
  6. Step 6: Final answer
    x = 40,104.45

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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.