Home / 51,071.10-76,641.88-17,791.44

Finding the Fourth Proportional to 51,071.10, 76,641.88 and 17,791.44

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Solution

The fourth proportional to 51,071.10, 76,641.88 and 17,791.44 is: 26,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.10 : 76,641.88 = 17,791.44 : x
  2. Step 2: Convert to fraction form
    51,071.10/76,641.88 = 17,791.44/x
  3. Step 3: Cross multiply
    51,071.10x = 76,641.88 × 17,791.44
  4. Step 4: Simplify right side
    51,071.10x = 1,363,568,937.34
  5. Step 5: Solve for x
    x = 1,363,568,937.34/51,071.10
  6. Step 6: Final answer
    x = 26,699.43

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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.