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Finding the Fourth Proportional to 66,956.78, 92,397.23 and 36,741.34

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Solution

The fourth proportional to 66,956.78, 92,397.23 and 36,741.34 is: 50,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.78 : 92,397.23 = 36,741.34 : x
  2. Step 2: Convert to fraction form
    66,956.78/92,397.23 = 36,741.34/x
  3. Step 3: Cross multiply
    66,956.78x = 92,397.23 × 36,741.34
  4. Step 4: Simplify right side
    66,956.78x = 3,394,798,042.49
  5. Step 5: Solve for x
    x = 3,394,798,042.49/66,956.78
  6. Step 6: Final answer
    x = 50,701.33

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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.