Home / 103,723.88-155,551.19-40,527.54

Finding the Fourth Proportional to 103,723.88, 155,551.19 and 40,527.54

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Solution

The fourth proportional to 103,723.88, 155,551.19 and 40,527.54 is: 60,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,723.88 : 155,551.19 = 40,527.54 : x
  2. Step 2: Convert to fraction form
    103,723.88/155,551.19 = 40,527.54/x
  3. Step 3: Cross multiply
    103,723.88x = 155,551.19 × 40,527.54
  4. Step 4: Simplify right side
    103,723.88x = 6,304,106,872.13
  5. Step 5: Solve for x
    x = 6,304,106,872.13/103,723.88
  6. Step 6: Final answer
    x = 60,777.78

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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.