Home / 94,939.50-142,375.20-28,367.22

Finding the Fourth Proportional to 94,939.50, 142,375.20 and 28,367.22

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Solution

The fourth proportional to 94,939.50, 142,375.20 and 28,367.22 is: 42,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,939.50 : 142,375.20 = 28,367.22 : x
  2. Step 2: Convert to fraction form
    94,939.50/142,375.20 = 28,367.22/x
  3. Step 3: Cross multiply
    94,939.50x = 142,375.20 × 28,367.22
  4. Step 4: Simplify right side
    94,939.50x = 4,038,788,620.94
  5. Step 5: Solve for x
    x = 4,038,788,620.94/94,939.50
  6. Step 6: Final answer
    x = 42,540.66

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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.