Home / 54,237.60-81,230.04-52,742.75

Finding the Fourth Proportional to 54,237.60, 81,230.04 and 52,742.75

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Solution

The fourth proportional to 54,237.60, 81,230.04 and 52,742.75 is: 78,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.60 : 81,230.04 = 52,742.75 : x
  2. Step 2: Convert to fraction form
    54,237.60/81,230.04 = 52,742.75/x
  3. Step 3: Cross multiply
    54,237.60x = 81,230.04 × 52,742.75
  4. Step 4: Simplify right side
    54,237.60x = 4,284,295,286.06
  5. Step 5: Solve for x
    x = 4,284,295,286.06/54,237.60
  6. Step 6: Final answer
    x = 78,991.24

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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.