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Finding the Fourth Proportional to 92,412.89, 127,529.92 and 49,971.42

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Solution

The fourth proportional to 92,412.89, 127,529.92 and 49,971.42 is: 68,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,412.89 : 127,529.92 = 49,971.42 : x
  2. Step 2: Convert to fraction form
    92,412.89/127,529.92 = 49,971.42/x
  3. Step 3: Cross multiply
    92,412.89x = 127,529.92 × 49,971.42
  4. Step 4: Simplify right side
    92,412.89x = 6,372,851,194.89
  5. Step 5: Solve for x
    x = 6,372,851,194.89/92,412.89
  6. Step 6: Final answer
    x = 68,960.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.