Home / 45,503.10-68,255.66-15,517.30

Finding the Fourth Proportional to 45,503.10, 68,255.66 and 15,517.30

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Solution

The fourth proportional to 45,503.10, 68,255.66 and 15,517.30 is: 23,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,503.10 : 68,255.66 = 15,517.30 : x
  2. Step 2: Convert to fraction form
    45,503.10/68,255.66 = 15,517.30/x
  3. Step 3: Cross multiply
    45,503.10x = 68,255.66 × 15,517.30
  4. Step 4: Simplify right side
    45,503.10x = 1,059,143,552.92
  5. Step 5: Solve for x
    x = 1,059,143,552.92/45,503.10
  6. Step 6: Final answer
    x = 23,276.29

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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.