Home / 54,684.92-81,968.88-39,055.16

Finding the Fourth Proportional to 54,684.92, 81,968.88 and 39,055.16

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Solution

The fourth proportional to 54,684.92, 81,968.88 and 39,055.16 is: 58,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,684.92 : 81,968.88 = 39,055.16 : x
  2. Step 2: Convert to fraction form
    54,684.92/81,968.88 = 39,055.16/x
  3. Step 3: Cross multiply
    54,684.92x = 81,968.88 × 39,055.16
  4. Step 4: Simplify right side
    54,684.92x = 3,201,307,723.42
  5. Step 5: Solve for x
    x = 3,201,307,723.42/54,684.92
  6. Step 6: Final answer
    x = 58,540.96

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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.