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Finding the Fourth Proportional to 96,996.70, 133,873.86 and 60,714.97

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Solution

The fourth proportional to 96,996.70, 133,873.86 and 60,714.97 is: 83,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,996.70 : 133,873.86 = 60,714.97 : x
  2. Step 2: Convert to fraction form
    96,996.70/133,873.86 = 60,714.97/x
  3. Step 3: Cross multiply
    96,996.70x = 133,873.86 × 60,714.97
  4. Step 4: Simplify right side
    96,996.70x = 8,128,147,393.68
  5. Step 5: Solve for x
    x = 8,128,147,393.68/96,996.70
  6. Step 6: Final answer
    x = 83,798.18

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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.