Home / 45,010.20-67,515.30-34,512.60

Finding the Fourth Proportional to 45,010.20, 67,515.30 and 34,512.60

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Solution

The fourth proportional to 45,010.20, 67,515.30 and 34,512.60 is: 51,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,010.20 : 67,515.30 = 34,512.60 : x
  2. Step 2: Convert to fraction form
    45,010.20/67,515.30 = 34,512.60/x
  3. Step 3: Cross multiply
    45,010.20x = 67,515.30 × 34,512.60
  4. Step 4: Simplify right side
    45,010.20x = 2,330,128,542.78
  5. Step 5: Solve for x
    x = 2,330,128,542.78/45,010.20
  6. Step 6: Final answer
    x = 51,768.90

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1.5x scale

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.