Home / 105,724.88-158,593.72-42,544.75

Finding the Fourth Proportional to 105,724.88, 158,593.72 and 42,544.75

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Solution

The fourth proportional to 105,724.88, 158,593.72 and 42,544.75 is: 63,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,724.88 : 158,593.72 = 42,544.75 : x
  2. Step 2: Convert to fraction form
    105,724.88/158,593.72 = 42,544.75/x
  3. Step 3: Cross multiply
    105,724.88x = 158,593.72 × 42,544.75
  4. Step 4: Simplify right side
    105,724.88x = 6,747,330,776.23
  5. Step 5: Solve for x
    x = 6,747,330,776.23/105,724.88
  6. Step 6: Final answer
    x = 63,819.71

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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.