Home / 45,731.72-63,112.22-25,587.39

Finding the Fourth Proportional to 45,731.72, 63,112.22 and 25,587.39

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Solution

The fourth proportional to 45,731.72, 63,112.22 and 25,587.39 is: 35,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,731.72 : 63,112.22 = 25,587.39 : x
  2. Step 2: Convert to fraction form
    45,731.72/63,112.22 = 25,587.39/x
  3. Step 3: Cross multiply
    45,731.72x = 63,112.22 × 25,587.39
  4. Step 4: Simplify right side
    45,731.72x = 1,614,876,858.97
  5. Step 5: Solve for x
    x = 1,614,876,858.97/45,731.72
  6. Step 6: Final answer
    x = 35,311.97

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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.