Home / 73,913.82-102,001.05-39,922.31

Finding the Fourth Proportional to 73,913.82, 102,001.05 and 39,922.31

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Solution

The fourth proportional to 73,913.82, 102,001.05 and 39,922.31 is: 55,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,913.82 : 102,001.05 = 39,922.31 : x
  2. Step 2: Convert to fraction form
    73,913.82/102,001.05 = 39,922.31/x
  3. Step 3: Cross multiply
    73,913.82x = 102,001.05 × 39,922.31
  4. Step 4: Simplify right side
    73,913.82x = 4,072,117,538.43
  5. Step 5: Solve for x
    x = 4,072,117,538.43/73,913.82
  6. Step 6: Final answer
    x = 55,092.78

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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.