Home / 54,716.86-82,087.98-17,280.64

Finding the Fourth Proportional to 54,716.86, 82,087.98 and 17,280.64

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Solution

The fourth proportional to 54,716.86, 82,087.98 and 17,280.64 is: 25,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,716.86 : 82,087.98 = 17,280.64 : x
  2. Step 2: Convert to fraction form
    54,716.86/82,087.98 = 17,280.64/x
  3. Step 3: Cross multiply
    54,716.86x = 82,087.98 × 17,280.64
  4. Step 4: Simplify right side
    54,716.86x = 1,418,532,830.71
  5. Step 5: Solve for x
    x = 1,418,532,830.71/54,716.86
  6. Step 6: Final answer
    x = 25,924.97

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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.