Home / 49,601.80-74,402.70-47,852.20

Finding the Fourth Proportional to 49,601.80, 74,402.70 and 47,852.20

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Solution

The fourth proportional to 49,601.80, 74,402.70 and 47,852.20 is: 71,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,601.80 : 74,402.70 = 47,852.20 : x
  2. Step 2: Convert to fraction form
    49,601.80/74,402.70 = 47,852.20/x
  3. Step 3: Cross multiply
    49,601.80x = 74,402.70 × 47,852.20
  4. Step 4: Simplify right side
    49,601.80x = 3,560,332,880.94
  5. Step 5: Solve for x
    x = 3,560,332,880.94/49,601.80
  6. Step 6: Final answer
    x = 71,778.30

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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.