Home / 52,821.20-79,341.24-51,049.64

Finding the Fourth Proportional to 52,821.20, 79,341.24 and 51,049.64

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Solution

The fourth proportional to 52,821.20, 79,341.24 and 51,049.64 is: 76,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,821.20 : 79,341.24 = 51,049.64 : x
  2. Step 2: Convert to fraction form
    52,821.20/79,341.24 = 51,049.64/x
  3. Step 3: Cross multiply
    52,821.20x = 79,341.24 × 51,049.64
  4. Step 4: Simplify right side
    52,821.20x = 4,050,341,739.15
  5. Step 5: Solve for x
    x = 4,050,341,739.15/52,821.20
  6. Step 6: Final answer
    x = 76,680.23

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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.