Home / 55,143.18-82,706.96-17,698.43

Finding the Fourth Proportional to 55,143.18, 82,706.96 and 17,698.43

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Solution

The fourth proportional to 55,143.18, 82,706.96 and 17,698.43 is: 26,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143.18 : 82,706.96 = 17,698.43 : x
  2. Step 2: Convert to fraction form
    55,143.18/82,706.96 = 17,698.43/x
  3. Step 3: Cross multiply
    55,143.18x = 82,706.96 × 17,698.43
  4. Step 4: Simplify right side
    55,143.18x = 1,463,782,840.05
  5. Step 5: Solve for x
    x = 1,463,782,840.05/55,143.18
  6. Step 6: Final answer
    x = 26,545.13

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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.