Home / 77,308.73-115,766.21-50,933.51

Finding the Fourth Proportional to 77,308.73, 115,766.21 and 50,933.51

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Solution

The fourth proportional to 77,308.73, 115,766.21 and 50,933.51 is: 76,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,308.73 : 115,766.21 = 50,933.51 : x
  2. Step 2: Convert to fraction form
    77,308.73/115,766.21 = 50,933.51/x
  3. Step 3: Cross multiply
    77,308.73x = 115,766.21 × 50,933.51
  4. Step 4: Simplify right side
    77,308.73x = 5,896,379,397.32
  5. Step 5: Solve for x
    x = 5,896,379,397.32/77,308.73
  6. Step 6: Final answer
    x = 76,270.55

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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.