Home / 89,223.20-133,922.28-67,965.56

Finding the Fourth Proportional to 89,223.20, 133,922.28 and 67,965.56

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Solution

The fourth proportional to 89,223.20, 133,922.28 and 67,965.56 is: 102,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,223.20 : 133,922.28 = 67,965.56 : x
  2. Step 2: Convert to fraction form
    89,223.20/133,922.28 = 67,965.56/x
  3. Step 3: Cross multiply
    89,223.20x = 133,922.28 × 67,965.56
  4. Step 4: Simplify right side
    89,223.20x = 9,102,102,756.68
  5. Step 5: Solve for x
    x = 9,102,102,756.68/89,223.20
  6. Step 6: Final answer
    x = 102,014.98

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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.