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Finding the Fourth Proportional to 79,662.17, 109,921.14 and 45,664.16

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Solution

The fourth proportional to 79,662.17, 109,921.14 and 45,664.16 is: 63,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,662.17 : 109,921.14 = 45,664.16 : x
  2. Step 2: Convert to fraction form
    79,662.17/109,921.14 = 45,664.16/x
  3. Step 3: Cross multiply
    79,662.17x = 109,921.14 × 45,664.16
  4. Step 4: Simplify right side
    79,662.17x = 5,019,456,524.34
  5. Step 5: Solve for x
    x = 5,019,456,524.34/79,662.17
  6. Step 6: Final answer
    x = 63,009.29

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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.