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Finding the Fourth Proportional to 64,231.39, 88,631.92 and 37,011.44

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Solution

The fourth proportional to 64,231.39, 88,631.92 and 37,011.44 is: 51,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,231.39 : 88,631.92 = 37,011.44 : x
  2. Step 2: Convert to fraction form
    64,231.39/88,631.92 = 37,011.44/x
  3. Step 3: Cross multiply
    64,231.39x = 88,631.92 × 37,011.44
  4. Step 4: Simplify right side
    64,231.39x = 3,280,394,360.95
  5. Step 5: Solve for x
    x = 3,280,394,360.95/64,231.39
  6. Step 6: Final answer
    x = 51,071.52

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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.