Home / 55,635.61-83,466.55-18,195.54

Finding the Fourth Proportional to 55,635.61, 83,466.55 and 18,195.54

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Solution

The fourth proportional to 55,635.61, 83,466.55 and 18,195.54 is: 27,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,635.61 : 83,466.55 = 18,195.54 : x
  2. Step 2: Convert to fraction form
    55,635.61/83,466.55 = 18,195.54/x
  3. Step 3: Cross multiply
    55,635.61x = 83,466.55 × 18,195.54
  4. Step 4: Simplify right side
    55,635.61x = 1,518,718,949.19
  5. Step 5: Solve for x
    x = 1,518,718,949.19/55,635.61
  6. Step 6: Final answer
    x = 27,297.61

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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.