Home / 50,620.72-75,857.20-35,821.60

Finding the Fourth Proportional to 50,620.72, 75,857.20 and 35,821.60

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Solution

The fourth proportional to 50,620.72, 75,857.20 and 35,821.60 is: 53,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,620.72 : 75,857.20 = 35,821.60 : x
  2. Step 2: Convert to fraction form
    50,620.72/75,857.20 = 35,821.60/x
  3. Step 3: Cross multiply
    50,620.72x = 75,857.20 × 35,821.60
  4. Step 4: Simplify right side
    50,620.72x = 2,717,326,275.52
  5. Step 5: Solve for x
    x = 2,717,326,275.52/50,620.72
  6. Step 6: Final answer
    x = 53,680.12

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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.