Home / 76,218.96-114,361.24-36,805.56

Finding the Fourth Proportional to 76,218.96, 114,361.24 and 36,805.56

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Solution

The fourth proportional to 76,218.96, 114,361.24 and 36,805.56 is: 55,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,218.96 : 114,361.24 = 36,805.56 : x
  2. Step 2: Convert to fraction form
    76,218.96/114,361.24 = 36,805.56/x
  3. Step 3: Cross multiply
    76,218.96x = 114,361.24 × 36,805.56
  4. Step 4: Simplify right side
    76,218.96x = 4,209,129,480.49
  5. Step 5: Solve for x
    x = 4,209,129,480.49/76,218.96
  6. Step 6: Final answer
    x = 55,224.18

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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.