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Finding the Fourth Proportional to 61,513.66, 92,270.49 and 35,199.80

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Solution

The fourth proportional to 61,513.66, 92,270.49 and 35,199.80 is: 52,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,513.66 : 92,270.49 = 35,199.80 : x
  2. Step 2: Convert to fraction form
    61,513.66/92,270.49 = 35,199.80/x
  3. Step 3: Cross multiply
    61,513.66x = 92,270.49 × 35,199.80
  4. Step 4: Simplify right side
    61,513.66x = 3,247,902,546.56
  5. Step 5: Solve for x
    x = 3,247,902,546.56/61,513.66
  6. Step 6: Final answer
    x = 52,799.69

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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.