Home / 56,336.88-77,743.80-31,186.56

Finding the Fourth Proportional to 56,336.88, 77,743.80 and 31,186.56

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Solution

The fourth proportional to 56,336.88, 77,743.80 and 31,186.56 is: 43,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,336.88 : 77,743.80 = 31,186.56 : x
  2. Step 2: Convert to fraction form
    56,336.88/77,743.80 = 31,186.56/x
  3. Step 3: Cross multiply
    56,336.88x = 77,743.80 × 31,186.56
  4. Step 4: Simplify right side
    56,336.88x = 2,424,561,683.33
  5. Step 5: Solve for x
    x = 2,424,561,683.33/56,336.88
  6. Step 6: Final answer
    x = 43,036.85

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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.