Home / 77,644.44-116,372.70-55,119.69

Finding the Fourth Proportional to 77,644.44, 116,372.70 and 55,119.69

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Solution

The fourth proportional to 77,644.44, 116,372.70 and 55,119.69 is: 82,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,644.44 : 116,372.70 = 55,119.69 : x
  2. Step 2: Convert to fraction form
    77,644.44/116,372.70 = 55,119.69/x
  3. Step 3: Cross multiply
    77,644.44x = 116,372.70 × 55,119.69
  4. Step 4: Simplify right side
    77,644.44x = 6,414,427,148.46
  5. Step 5: Solve for x
    x = 6,414,427,148.46/77,644.44
  6. Step 6: Final answer
    x = 82,612.83

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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.