Home / 48,706.56-67,219.20-40,734.72

Finding the Fourth Proportional to 48,706.56, 67,219.20 and 40,734.72

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Solution

The fourth proportional to 48,706.56, 67,219.20 and 40,734.72 is: 56,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,706.56 : 67,219.20 = 40,734.72 : x
  2. Step 2: Convert to fraction form
    48,706.56/67,219.20 = 40,734.72/x
  3. Step 3: Cross multiply
    48,706.56x = 67,219.20 × 40,734.72
  4. Step 4: Simplify right side
    48,706.56x = 2,738,155,290.62
  5. Step 5: Solve for x
    x = 2,738,155,290.62/48,706.56
  6. Step 6: Final answer
    x = 56,217.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.