Home / 55,177.88-82,658.21-36,400.50

Finding the Fourth Proportional to 55,177.88, 82,658.21 and 36,400.50

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Solution

The fourth proportional to 55,177.88, 82,658.21 and 36,400.50 is: 54,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,177.88 : 82,658.21 = 36,400.50 : x
  2. Step 2: Convert to fraction form
    55,177.88/82,658.21 = 36,400.50/x
  3. Step 3: Cross multiply
    55,177.88x = 82,658.21 × 36,400.50
  4. Step 4: Simplify right side
    55,177.88x = 3,008,799,991.10
  5. Step 5: Solve for x
    x = 3,008,799,991.10/55,177.88
  6. Step 6: Final answer
    x = 54,529.10

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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.