Home / 100,724.41-150,713.92-60,766.56

Finding the Fourth Proportional to 100,724.41, 150,713.92 and 60,766.56

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Solution

The fourth proportional to 100,724.41, 150,713.92 and 60,766.56 is: 90,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724.41 : 150,713.92 = 60,766.56 : x
  2. Step 2: Convert to fraction form
    100,724.41/150,713.92 = 60,766.56/x
  3. Step 3: Cross multiply
    100,724.41x = 150,713.92 × 60,766.56
  4. Step 4: Simplify right side
    100,724.41x = 9,158,366,538.47
  5. Step 5: Solve for x
    x = 9,158,366,538.47/100,724.41
  6. Step 6: Final answer
    x = 90,924.99

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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.