Home / 54,181.27-74,740.06-31,517.71

Finding the Fourth Proportional to 54,181.27, 74,740.06 and 31,517.71

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Solution

The fourth proportional to 54,181.27, 74,740.06 and 31,517.71 is: 43,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,181.27 : 74,740.06 = 31,517.71 : x
  2. Step 2: Convert to fraction form
    54,181.27/74,740.06 = 31,517.71/x
  3. Step 3: Cross multiply
    54,181.27x = 74,740.06 × 31,517.71
  4. Step 4: Simplify right side
    54,181.27x = 2,355,635,536.46
  5. Step 5: Solve for x
    x = 2,355,635,536.46/54,181.27
  6. Step 6: Final answer
    x = 43,476.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.