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Finding the Fourth Proportional to 64,313.73, 88,755.66 and 37,451.90

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Solution

The fourth proportional to 64,313.73, 88,755.66 and 37,451.90 is: 51,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,313.73 : 88,755.66 = 37,451.90 : x
  2. Step 2: Convert to fraction form
    64,313.73/88,755.66 = 37,451.90/x
  3. Step 3: Cross multiply
    64,313.73x = 88,755.66 × 37,451.90
  4. Step 4: Simplify right side
    64,313.73x = 3,324,068,324.64
  5. Step 5: Solve for x
    x = 3,324,068,324.64/64,313.73
  6. Step 6: Final answer
    x = 51,685.21

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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.