Home / 55,652.35-76,811.83-51,169.00

Finding the Fourth Proportional to 55,652.35, 76,811.83 and 51,169.00

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Solution

The fourth proportional to 55,652.35, 76,811.83 and 51,169.00 is: 70,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.35 : 76,811.83 = 51,169.00 : x
  2. Step 2: Convert to fraction form
    55,652.35/76,811.83 = 51,169.00/x
  3. Step 3: Cross multiply
    55,652.35x = 76,811.83 × 51,169.00
  4. Step 4: Simplify right side
    55,652.35x = 3,930,384,145.21
  5. Step 5: Solve for x
    x = 3,930,384,145.21/55,652.35
  6. Step 6: Final answer
    x = 70,623.87

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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.