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Finding the Fourth Proportional to 83,344.99, 125,023.87 and 35,961.21

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Solution

The fourth proportional to 83,344.99, 125,023.87 and 35,961.21 is: 53,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,344.99 : 125,023.87 = 35,961.21 : x
  2. Step 2: Convert to fraction form
    83,344.99/125,023.87 = 35,961.21/x
  3. Step 3: Cross multiply
    83,344.99x = 125,023.87 × 35,961.21
  4. Step 4: Simplify right side
    83,344.99x = 4,496,009,644.08
  5. Step 5: Solve for x
    x = 4,496,009,644.08/83,344.99
  6. Step 6: Final answer
    x = 53,944.57

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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.