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Finding the Fourth Proportional to 80,073.78, 110,500.65 and 48,260.22

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Solution

The fourth proportional to 80,073.78, 110,500.65 and 48,260.22 is: 66,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,073.78 : 110,500.65 = 48,260.22 : x
  2. Step 2: Convert to fraction form
    80,073.78/110,500.65 = 48,260.22/x
  3. Step 3: Cross multiply
    80,073.78x = 110,500.65 × 48,260.22
  4. Step 4: Simplify right side
    80,073.78x = 5,332,785,679.14
  5. Step 5: Solve for x
    x = 5,332,785,679.14/80,073.78
  6. Step 6: Final answer
    x = 66,598.40

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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.