Home / 55,175.42-82,755.16-17,730.60

Finding the Fourth Proportional to 55,175.42, 82,755.16 and 17,730.60

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Solution

The fourth proportional to 55,175.42, 82,755.16 and 17,730.60 is: 26,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,175.42 : 82,755.16 = 17,730.60 : x
  2. Step 2: Convert to fraction form
    55,175.42/82,755.16 = 17,730.60/x
  3. Step 3: Cross multiply
    55,175.42x = 82,755.16 × 17,730.60
  4. Step 4: Simplify right side
    55,175.42x = 1,467,298,639.90
  5. Step 5: Solve for x
    x = 1,467,298,639.90/55,175.42
  6. Step 6: Final answer
    x = 26,593.34

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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.