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Finding the Fourth Proportional to 80,887.44, 111,623.16 and 45,076.68

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Solution

The fourth proportional to 80,887.44, 111,623.16 and 45,076.68 is: 62,204.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,887.44 : 111,623.16 = 45,076.68 : x
  2. Step 2: Convert to fraction form
    80,887.44/111,623.16 = 45,076.68/x
  3. Step 3: Cross multiply
    80,887.44x = 111,623.16 × 45,076.68
  4. Step 4: Simplify right side
    80,887.44x = 5,031,601,463.91
  5. Step 5: Solve for x
    x = 5,031,601,463.91/80,887.44
  6. Step 6: Final answer
    x = 62,204.98

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