Home / 101,163.11-151,761.15-37,988.15

Finding the Fourth Proportional to 101,163.11, 151,761.15 and 37,988.15

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Solution

The fourth proportional to 101,163.11, 151,761.15 and 37,988.15 is: 56,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,163.11 : 151,761.15 = 37,988.15 : x
  2. Step 2: Convert to fraction form
    101,163.11/151,761.15 = 37,988.15/x
  3. Step 3: Cross multiply
    101,163.11x = 151,761.15 × 37,988.15
  4. Step 4: Simplify right side
    101,163.11x = 5,765,124,571.57
  5. Step 5: Solve for x
    x = 5,765,124,571.57/101,163.11
  6. Step 6: Final answer
    x = 56,988.41

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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.