Home / 56,290.33-77,691.09-36,172.36

Finding the Fourth Proportional to 56,290.33, 77,691.09 and 36,172.36

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Solution

The fourth proportional to 56,290.33, 77,691.09 and 36,172.36 is: 49,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,290.33 : 77,691.09 = 36,172.36 : x
  2. Step 2: Convert to fraction form
    56,290.33/77,691.09 = 36,172.36/x
  3. Step 3: Cross multiply
    56,290.33x = 77,691.09 × 36,172.36
  4. Step 4: Simplify right side
    56,290.33x = 2,810,270,076.27
  5. Step 5: Solve for x
    x = 2,810,270,076.27/56,290.33
  6. Step 6: Final answer
    x = 49,924.56

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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.