Home / 55,615.41-83,422.42-13,495.85

Finding the Fourth Proportional to 55,615.41, 83,422.42 and 13,495.85

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Solution

The fourth proportional to 55,615.41, 83,422.42 and 13,495.85 is: 20,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.41 : 83,422.42 = 13,495.85 : x
  2. Step 2: Convert to fraction form
    55,615.41/83,422.42 = 13,495.85/x
  3. Step 3: Cross multiply
    55,615.41x = 83,422.42 × 13,495.85
  4. Step 4: Simplify right side
    55,615.41x = 1,125,856,466.96
  5. Step 5: Solve for x
    x = 1,125,856,466.96/55,615.41
  6. Step 6: Final answer
    x = 20,243.61

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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.