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Finding the Fourth Proportional to 83,464.48, 115,180.32 and 45,738.64

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Solution

The fourth proportional to 83,464.48, 115,180.32 and 45,738.64 is: 63,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,464.48 : 115,180.32 = 45,738.64 : x
  2. Step 2: Convert to fraction form
    83,464.48/115,180.32 = 45,738.64/x
  3. Step 3: Cross multiply
    83,464.48x = 115,180.32 × 45,738.64
  4. Step 4: Simplify right side
    83,464.48x = 5,268,191,191.56
  5. Step 5: Solve for x
    x = 5,268,191,191.56/83,464.48
  6. Step 6: Final answer
    x = 63,118.96

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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.