Home / 77,821.59-116,837.33-49,796.36

Finding the Fourth Proportional to 77,821.59, 116,837.33 and 49,796.36

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Solution

The fourth proportional to 77,821.59, 116,837.33 and 49,796.36 is: 74,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,821.59 : 116,837.33 = 49,796.36 : x
  2. Step 2: Convert to fraction form
    77,821.59/116,837.33 = 49,796.36/x
  3. Step 3: Cross multiply
    77,821.59x = 116,837.33 × 49,796.36
  4. Step 4: Simplify right side
    77,821.59x = 5,818,072,912.95
  5. Step 5: Solve for x
    x = 5,818,072,912.95/77,821.59
  6. Step 6: Final answer
    x = 74,761.68

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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.