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Finding the Fourth Proportional to 80,049.06, 110,452.01 and 48,219.71

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Solution

The fourth proportional to 80,049.06, 110,452.01 and 48,219.71 is: 66,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,049.06 : 110,452.01 = 48,219.71 : x
  2. Step 2: Convert to fraction form
    80,049.06/110,452.01 = 48,219.71/x
  3. Step 3: Cross multiply
    80,049.06x = 110,452.01 × 48,219.71
  4. Step 4: Simplify right side
    80,049.06x = 5,325,963,097.76
  5. Step 5: Solve for x
    x = 5,325,963,097.76/80,049.06
  6. Step 6: Final answer
    x = 66,533.74

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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.