Home / 56,436.21-84,654.78-45,893.97

Finding the Fourth Proportional to 56,436.21, 84,654.78 and 45,893.97

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Solution

The fourth proportional to 56,436.21, 84,654.78 and 45,893.97 is: 68,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,436.21 : 84,654.78 = 45,893.97 : x
  2. Step 2: Convert to fraction form
    56,436.21/84,654.78 = 45,893.97/x
  3. Step 3: Cross multiply
    56,436.21x = 84,654.78 × 45,893.97
  4. Step 4: Simplify right side
    56,436.21x = 3,885,143,933.68
  5. Step 5: Solve for x
    x = 3,885,143,933.68/56,436.21
  6. Step 6: Final answer
    x = 68,841.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.