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Finding the Fourth Proportional to 64,321.08, 88,764.02 and 36,026.97

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Solution

The fourth proportional to 64,321.08, 88,764.02 and 36,026.97 is: 49,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,321.08 : 88,764.02 = 36,026.97 : x
  2. Step 2: Convert to fraction form
    64,321.08/88,764.02 = 36,026.97/x
  3. Step 3: Cross multiply
    64,321.08x = 88,764.02 × 36,026.97
  4. Step 4: Simplify right side
    64,321.08x = 3,197,898,685.62
  5. Step 5: Solve for x
    x = 3,197,898,685.62/64,321.08
  6. Step 6: Final answer
    x = 49,717.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.