Home / 53,540.87-80,347.62-28,598.82

Finding the Fourth Proportional to 53,540.87, 80,347.62 and 28,598.82

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Solution

The fourth proportional to 53,540.87, 80,347.62 and 28,598.82 is: 42,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.87 : 80,347.62 = 28,598.82 : x
  2. Step 2: Convert to fraction form
    53,540.87/80,347.62 = 28,598.82/x
  3. Step 3: Cross multiply
    53,540.87x = 80,347.62 × 28,598.82
  4. Step 4: Simplify right side
    53,540.87x = 2,297,847,121.81
  5. Step 5: Solve for x
    x = 2,297,847,121.81/53,540.87
  6. Step 6: Final answer
    x = 42,917.63

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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.