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Finding the Fourth Proportional to 80,286.83, 110,802.08 and 44,480.15

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Solution

The fourth proportional to 80,286.83, 110,802.08 and 44,480.15 is: 61,386.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,286.83 : 110,802.08 = 44,480.15 : x
  2. Step 2: Convert to fraction form
    80,286.83/110,802.08 = 44,480.15/x
  3. Step 3: Cross multiply
    80,286.83x = 110,802.08 × 44,480.15
  4. Step 4: Simplify right side
    80,286.83x = 4,928,493,138.71
  5. Step 5: Solve for x
    x = 4,928,493,138.71/80,286.83
  6. Step 6: Final answer
    x = 61,386.07

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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.