Home / 89,028.21-133,560.14-32,868.66

Finding the Fourth Proportional to 89,028.21, 133,560.14 and 32,868.66

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Solution

The fourth proportional to 89,028.21, 133,560.14 and 32,868.66 is: 49,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028.21 : 133,560.14 = 32,868.66 : x
  2. Step 2: Convert to fraction form
    89,028.21/133,560.14 = 32,868.66/x
  3. Step 3: Cross multiply
    89,028.21x = 133,560.14 × 32,868.66
  4. Step 4: Simplify right side
    89,028.21x = 4,389,942,666.87
  5. Step 5: Solve for x
    x = 4,389,942,666.87/89,028.21
  6. Step 6: Final answer
    x = 49,309.57

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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.