Home / 77,821.73-116,693.31-35,666.25

Finding the Fourth Proportional to 77,821.73, 116,693.31 and 35,666.25

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Solution

The fourth proportional to 77,821.73, 116,693.31 and 35,666.25 is: 53,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,821.73 : 116,693.31 = 35,666.25 : x
  2. Step 2: Convert to fraction form
    77,821.73/116,693.31 = 35,666.25/x
  3. Step 3: Cross multiply
    77,821.73x = 116,693.31 × 35,666.25
  4. Step 4: Simplify right side
    77,821.73x = 4,162,012,767.79
  5. Step 5: Solve for x
    x = 4,162,012,767.79/77,821.73
  6. Step 6: Final answer
    x = 53,481.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.