Home / 62,885.44-94,308.09-20,757.70

Finding the Fourth Proportional to 62,885.44, 94,308.09 and 20,757.70

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Solution

The fourth proportional to 62,885.44, 94,308.09 and 20,757.70 is: 31,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,885.44 : 94,308.09 = 20,757.70 : x
  2. Step 2: Convert to fraction form
    62,885.44/94,308.09 = 20,757.70/x
  3. Step 3: Cross multiply
    62,885.44x = 94,308.09 × 20,757.70
  4. Step 4: Simplify right side
    62,885.44x = 1,957,619,039.79
  5. Step 5: Solve for x
    x = 1,957,619,039.79/62,885.44
  6. Step 6: Final answer
    x = 31,129.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.