Home / 88,467.90-132,615.45-79,136.70

Finding the Fourth Proportional to 88,467.90, 132,615.45 and 79,136.70

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Solution

The fourth proportional to 88,467.90, 132,615.45 and 79,136.70 is: 118,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,467.90 : 132,615.45 = 79,136.70 : x
  2. Step 2: Convert to fraction form
    88,467.90/132,615.45 = 79,136.70/x
  3. Step 3: Cross multiply
    88,467.90x = 132,615.45 × 79,136.70
  4. Step 4: Simplify right side
    88,467.90x = 10,494,749,082.02
  5. Step 5: Solve for x
    x = 10,494,749,082.02/88,467.90
  6. Step 6: Final answer
    x = 118,627.76

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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.