Home / 49,865.90-74,506.79-48,121.76

Finding the Fourth Proportional to 49,865.90, 74,506.79 and 48,121.76

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Solution

The fourth proportional to 49,865.90, 74,506.79 and 48,121.76 is: 71,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,865.90 : 74,506.79 = 48,121.76 : x
  2. Step 2: Convert to fraction form
    49,865.90/74,506.79 = 48,121.76/x
  3. Step 3: Cross multiply
    49,865.90x = 74,506.79 × 48,121.76
  4. Step 4: Simplify right side
    49,865.90x = 3,585,398,173.32
  5. Step 5: Solve for x
    x = 3,585,398,173.32/49,865.90
  6. Step 6: Final answer
    x = 71,900.81

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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.