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Finding the Fourth Proportional to 53,894.66, 80,876.58 and 36,145.37

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Solution

The fourth proportional to 53,894.66, 80,876.58 and 36,145.37 is: 54,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,894.66 : 80,876.58 = 36,145.37 : x
  2. Step 2: Convert to fraction form
    53,894.66/80,876.58 = 36,145.37/x
  3. Step 3: Cross multiply
    53,894.66x = 80,876.58 × 36,145.37
  4. Step 4: Simplify right side
    53,894.66x = 2,923,313,908.43
  5. Step 5: Solve for x
    x = 2,923,313,908.43/53,894.66
  6. Step 6: Final answer
    x = 54,241.25

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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.