Home / 49,785.80-68,701.20-29,644.16

Finding the Fourth Proportional to 49,785.80, 68,701.20 and 29,644.16

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Solution

The fourth proportional to 49,785.80, 68,701.20 and 29,644.16 is: 40,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.80 : 68,701.20 = 29,644.16 : x
  2. Step 2: Convert to fraction form
    49,785.80/68,701.20 = 29,644.16/x
  3. Step 3: Cross multiply
    49,785.80x = 68,701.20 × 29,644.16
  4. Step 4: Simplify right side
    49,785.80x = 2,036,589,364.99
  5. Step 5: Solve for x
    x = 2,036,589,364.99/49,785.80
  6. Step 6: Final answer
    x = 40,907.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.