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Finding the Fourth Proportional to 66,714.58, 92,034.31 and 41,211.76

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Solution

The fourth proportional to 66,714.58, 92,034.31 and 41,211.76 is: 56,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,714.58 : 92,034.31 = 41,211.76 : x
  2. Step 2: Convert to fraction form
    66,714.58/92,034.31 = 41,211.76/x
  3. Step 3: Cross multiply
    66,714.58x = 92,034.31 × 41,211.76
  4. Step 4: Simplify right side
    66,714.58x = 3,792,895,895.49
  5. Step 5: Solve for x
    x = 3,792,895,895.49/66,714.58
  6. Step 6: Final answer
    x = 56,852.58

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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.