Home / 55,229.68-76,223.82-31,364.02

Finding the Fourth Proportional to 55,229.68, 76,223.82 and 31,364.02

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Solution

The fourth proportional to 55,229.68, 76,223.82 and 31,364.02 is: 43,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229.68 : 76,223.82 = 31,364.02 : x
  2. Step 2: Convert to fraction form
    55,229.68/76,223.82 = 31,364.02/x
  3. Step 3: Cross multiply
    55,229.68x = 76,223.82 × 31,364.02
  4. Step 4: Simplify right side
    55,229.68x = 2,390,685,414.96
  5. Step 5: Solve for x
    x = 2,390,685,414.96/55,229.68
  6. Step 6: Final answer
    x = 43,286.24

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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.