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Finding the Fourth Proportional to 54,719.10, 76,814.10 and 54,719.10

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Solution

The fourth proportional to 54,719.10, 76,814.10 and 54,719.10 is: 76,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,719.10 : 76,814.10 = 54,719.10 : x
  2. Step 2: Convert to fraction form
    54,719.10/76,814.10 = 54,719.10/x
  3. Step 3: Cross multiply
    54,719.10x = 76,814.10 × 54,719.10
  4. Step 4: Simplify right side
    54,719.10x = 4,203,198,419.31
  5. Step 5: Solve for x
    x = 4,203,198,419.31/54,719.10
  6. Step 6: Final answer
    x = 76,814.10

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.