Home / 54,188.69-74,795.42-31,532.09

Finding the Fourth Proportional to 54,188.69, 74,795.42 and 31,532.09

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Solution

The fourth proportional to 54,188.69, 74,795.42 and 31,532.09 is: 43,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,188.69 : 74,795.42 = 31,532.09 : x
  2. Step 2: Convert to fraction form
    54,188.69/74,795.42 = 31,532.09/x
  3. Step 3: Cross multiply
    54,188.69x = 74,795.42 × 31,532.09
  4. Step 4: Simplify right side
    54,188.69x = 2,358,455,619.88
  5. Step 5: Solve for x
    x = 2,358,455,619.88/54,188.69
  6. Step 6: Final answer
    x = 43,523.03

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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.