Home / 55,137.40-82,706.10-54,262.60

Finding the Fourth Proportional to 55,137.40, 82,706.10 and 54,262.60

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Solution

The fourth proportional to 55,137.40, 82,706.10 and 54,262.60 is: 81,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,137.40 : 82,706.10 = 54,262.60 : x
  2. Step 2: Convert to fraction form
    55,137.40/82,706.10 = 54,262.60/x
  3. Step 3: Cross multiply
    55,137.40x = 82,706.10 × 54,262.60
  4. Step 4: Simplify right side
    55,137.40x = 4,487,848,021.86
  5. Step 5: Solve for x
    x = 4,487,848,021.86/55,137.40
  6. Step 6: Final answer
    x = 81,393.90

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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.