Home / 55,278.94-76,297.24-35,131.90

Finding the Fourth Proportional to 55,278.94, 76,297.24 and 35,131.90

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Solution

The fourth proportional to 55,278.94, 76,297.24 and 35,131.90 is: 48,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,278.94 : 76,297.24 = 35,131.90 : x
  2. Step 2: Convert to fraction form
    55,278.94/76,297.24 = 35,131.90/x
  3. Step 3: Cross multiply
    55,278.94x = 76,297.24 × 35,131.90
  4. Step 4: Simplify right side
    55,278.94x = 2,680,467,005.96
  5. Step 5: Solve for x
    x = 2,680,467,005.96/55,278.94
  6. Step 6: Final answer
    x = 48,489.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.