Home / 99,731.35-149,564.76-33,153.67

Finding the Fourth Proportional to 99,731.35, 149,564.76 and 33,153.67

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Solution

The fourth proportional to 99,731.35, 149,564.76 and 33,153.67 is: 49,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,731.35 : 149,564.76 = 33,153.67 : x
  2. Step 2: Convert to fraction form
    99,731.35/149,564.76 = 33,153.67/x
  3. Step 3: Cross multiply
    99,731.35x = 149,564.76 × 33,153.67
  4. Step 4: Simplify right side
    99,731.35x = 4,958,620,696.67
  5. Step 5: Solve for x
    x = 4,958,620,696.67/99,731.35
  6. Step 6: Final answer
    x = 49,719.78

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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.