Home / 88,120.68-132,153.03-28,942.58

Finding the Fourth Proportional to 88,120.68, 132,153.03 and 28,942.58

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Solution

The fourth proportional to 88,120.68, 132,153.03 and 28,942.58 is: 43,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.68 : 132,153.03 = 28,942.58 : x
  2. Step 2: Convert to fraction form
    88,120.68/132,153.03 = 28,942.58/x
  3. Step 3: Cross multiply
    88,120.68x = 132,153.03 × 28,942.58
  4. Step 4: Simplify right side
    88,120.68x = 3,824,848,982.25
  5. Step 5: Solve for x
    x = 3,824,848,982.25/88,120.68
  6. Step 6: Final answer
    x = 43,404.67

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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.