Home / 84,382.39-126,635.87-40,009.31

Finding the Fourth Proportional to 84,382.39, 126,635.87 and 40,009.31

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Solution

The fourth proportional to 84,382.39, 126,635.87 and 40,009.31 is: 60,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,382.39 : 126,635.87 = 40,009.31 : x
  2. Step 2: Convert to fraction form
    84,382.39/126,635.87 = 40,009.31/x
  3. Step 3: Cross multiply
    84,382.39x = 126,635.87 × 40,009.31
  4. Step 4: Simplify right side
    84,382.39x = 5,066,613,721.68
  5. Step 5: Solve for x
    x = 5,066,613,721.68/84,382.39
  6. Step 6: Final answer
    x = 60,043.50

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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.