Home / 50,979.76-76,012.46-49,029.28

Finding the Fourth Proportional to 50,979.76, 76,012.46 and 49,029.28

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Solution

The fourth proportional to 50,979.76, 76,012.46 and 49,029.28 is: 73,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979.76 : 76,012.46 = 49,029.28 : x
  2. Step 2: Convert to fraction form
    50,979.76/76,012.46 = 49,029.28/x
  3. Step 3: Cross multiply
    50,979.76x = 76,012.46 × 49,029.28
  4. Step 4: Simplify right side
    50,979.76x = 3,726,836,184.83
  5. Step 5: Solve for x
    x = 3,726,836,184.83/50,979.76
  6. Step 6: Final answer
    x = 73,104.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.