Home / 84,584.20-126,704.06-40,076.04

Finding the Fourth Proportional to 84,584.20, 126,704.06 and 40,076.04

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Solution

The fourth proportional to 84,584.20, 126,704.06 and 40,076.04 is: 60,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,584.20 : 126,704.06 = 40,076.04 : x
  2. Step 2: Convert to fraction form
    84,584.20/126,704.06 = 40,076.04/x
  3. Step 3: Cross multiply
    84,584.20x = 126,704.06 × 40,076.04
  4. Step 4: Simplify right side
    84,584.20x = 5,077,796,976.72
  5. Step 5: Solve for x
    x = 5,077,796,976.72/84,584.20
  6. Step 6: Final answer
    x = 60,032.45

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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.