Home / 104,265.72-156,281.94-45,012.60

Finding the Fourth Proportional to 104,265.72, 156,281.94 and 45,012.60

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Solution

The fourth proportional to 104,265.72, 156,281.94 and 45,012.60 is: 67,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.72 : 156,281.94 = 45,012.60 : x
  2. Step 2: Convert to fraction form
    104,265.72/156,281.94 = 45,012.60/x
  3. Step 3: Cross multiply
    104,265.72x = 156,281.94 × 45,012.60
  4. Step 4: Simplify right side
    104,265.72x = 7,034,656,452.44
  5. Step 5: Solve for x
    x = 7,034,656,452.44/104,265.72
  6. Step 6: Final answer
    x = 67,468.55

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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.