Home / 54,677.16-81,716.14-39,917.16

Finding the Fourth Proportional to 54,677.16, 81,716.14 and 39,917.16

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Solution

The fourth proportional to 54,677.16, 81,716.14 and 39,917.16 is: 59,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.16 : 81,716.14 = 39,917.16 : x
  2. Step 2: Convert to fraction form
    54,677.16/81,716.14 = 39,917.16/x
  3. Step 3: Cross multiply
    54,677.16x = 81,716.14 × 39,917.16
  4. Step 4: Simplify right side
    54,677.16x = 3,261,876,135.17
  5. Step 5: Solve for x
    x = 3,261,876,135.17/54,677.16
  6. Step 6: Final answer
    x = 59,657.01

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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.