Home / 55,651.21-82,980.40-49,469.29

Finding the Fourth Proportional to 55,651.21, 82,980.40 and 49,469.29

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Solution

The fourth proportional to 55,651.21, 82,980.40 and 49,469.29 is: 73,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.21 : 82,980.40 = 49,469.29 : x
  2. Step 2: Convert to fraction form
    55,651.21/82,980.40 = 49,469.29/x
  3. Step 3: Cross multiply
    55,651.21x = 82,980.40 × 49,469.29
  4. Step 4: Simplify right side
    55,651.21x = 4,104,981,471.92
  5. Step 5: Solve for x
    x = 4,104,981,471.92/55,651.21
  6. Step 6: Final answer
    x = 73,762.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.