Home / 100,723.29-150,712.23-60,765.44

Finding the Fourth Proportional to 100,723.29, 150,712.23 and 60,765.44

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Solution

The fourth proportional to 100,723.29, 150,712.23 and 60,765.44 is: 90,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,723.29 : 150,712.23 = 60,765.44 : x
  2. Step 2: Convert to fraction form
    100,723.29/150,712.23 = 60,765.44/x
  3. Step 3: Cross multiply
    100,723.29x = 150,712.23 × 60,765.44
  4. Step 4: Simplify right side
    100,723.29x = 9,158,094,443.64
  5. Step 5: Solve for x
    x = 9,158,094,443.64/100,723.29
  6. Step 6: Final answer
    x = 90,923.31

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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.