Home / 51,779.85-71,458.77-29,125.97

Finding the Fourth Proportional to 51,779.85, 71,458.77 and 29,125.97

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Solution

The fourth proportional to 51,779.85, 71,458.77 and 29,125.97 is: 40,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779.85 : 71,458.77 = 29,125.97 : x
  2. Step 2: Convert to fraction form
    51,779.85/71,458.77 = 29,125.97/x
  3. Step 3: Cross multiply
    51,779.85x = 71,458.77 × 29,125.97
  4. Step 4: Simplify right side
    51,779.85x = 2,081,305,991.26
  5. Step 5: Solve for x
    x = 2,081,305,991.26/51,779.85
  6. Step 6: Final answer
    x = 40,195.29

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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.