Home / 54,984.09-82,517.60-40,231.07

Finding the Fourth Proportional to 54,984.09, 82,517.60 and 40,231.07

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Solution

The fourth proportional to 54,984.09, 82,517.60 and 40,231.07 is: 60,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,984.09 : 82,517.60 = 40,231.07 : x
  2. Step 2: Convert to fraction form
    54,984.09/82,517.60 = 40,231.07/x
  3. Step 3: Cross multiply
    54,984.09x = 82,517.60 × 40,231.07
  4. Step 4: Simplify right side
    54,984.09x = 3,319,771,341.83
  5. Step 5: Solve for x
    x = 3,319,771,341.83/54,984.09
  6. Step 6: Final answer
    x = 60,376.94

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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.