Home / 81,001.62-111,835.89-52,755.30

Finding the Fourth Proportional to 81,001.62, 111,835.89 and 52,755.30

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Solution

The fourth proportional to 81,001.62, 111,835.89 and 52,755.30 is: 72,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001.62 : 111,835.89 = 52,755.30 : x
  2. Step 2: Convert to fraction form
    81,001.62/111,835.89 = 52,755.30/x
  3. Step 3: Cross multiply
    81,001.62x = 111,835.89 × 52,755.30
  4. Step 4: Simplify right side
    81,001.62x = 5,899,935,927.72
  5. Step 5: Solve for x
    x = 5,899,935,927.72/81,001.62
  6. Step 6: Final answer
    x = 72,837.26

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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.