Home / 99,040.32-148,604.04-39,991.32

Finding the Fourth Proportional to 99,040.32, 148,604.04 and 39,991.32

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Solution

The fourth proportional to 99,040.32, 148,604.04 and 39,991.32 is: 60,004.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,040.32 : 148,604.04 = 39,991.32 : x
  2. Step 2: Convert to fraction form
    99,040.32/148,604.04 = 39,991.32/x
  3. Step 3: Cross multiply
    99,040.32x = 148,604.04 × 39,991.32
  4. Step 4: Simplify right side
    99,040.32x = 5,942,871,716.93
  5. Step 5: Solve for x
    x = 5,942,871,716.93/99,040.32
  6. Step 6: Final answer
    x = 60,004.57

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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.