Home / 54,677.54-81,716.72-39,917.54

Finding the Fourth Proportional to 54,677.54, 81,716.72 and 39,917.54

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Solution

The fourth proportional to 54,677.54, 81,716.72 and 39,917.54 is: 59,657.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.54 : 81,716.72 = 39,917.54 : x
  2. Step 2: Convert to fraction form
    54,677.54/81,716.72 = 39,917.54/x
  3. Step 3: Cross multiply
    54,677.54x = 81,716.72 × 39,917.54
  4. Step 4: Simplify right side
    54,677.54x = 3,261,929,831.10
  5. Step 5: Solve for x
    x = 3,261,929,831.10/54,677.54
  6. Step 6: Final answer
    x = 59,657.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.