Home / 49,785.10-68,704.04-28,566.34

Finding the Fourth Proportional to 49,785.10, 68,704.04 and 28,566.34

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Solution

The fourth proportional to 49,785.10, 68,704.04 and 28,566.34 is: 39,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.10 : 68,704.04 = 28,566.34 : x
  2. Step 2: Convert to fraction form
    49,785.10/68,704.04 = 28,566.34/x
  3. Step 3: Cross multiply
    49,785.10x = 68,704.04 × 28,566.34
  4. Step 4: Simplify right side
    49,785.10x = 1,962,622,865.67
  5. Step 5: Solve for x
    x = 1,962,622,865.67/49,785.10
  6. Step 6: Final answer
    x = 39,421.89

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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.