Home / 55,708.26-76,869.99-31,512.53

Finding the Fourth Proportional to 55,708.26, 76,869.99 and 31,512.53

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Solution

The fourth proportional to 55,708.26, 76,869.99 and 31,512.53 is: 43,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,708.26 : 76,869.99 = 31,512.53 : x
  2. Step 2: Convert to fraction form
    55,708.26/76,869.99 = 31,512.53/x
  3. Step 3: Cross multiply
    55,708.26x = 76,869.99 × 31,512.53
  4. Step 4: Simplify right side
    55,708.26x = 2,422,367,481.62
  5. Step 5: Solve for x
    x = 2,422,367,481.62/55,708.26
  6. Step 6: Final answer
    x = 43,483.09

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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.