Home / 77,609.58-116,216.64-51,233.82

Finding the Fourth Proportional to 77,609.58, 116,216.64 and 51,233.82

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Solution

The fourth proportional to 77,609.58, 116,216.64 and 51,233.82 is: 76,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,609.58 : 116,216.64 = 51,233.82 : x
  2. Step 2: Convert to fraction form
    77,609.58/116,216.64 = 51,233.82/x
  3. Step 3: Cross multiply
    77,609.58x = 116,216.64 × 51,233.82
  4. Step 4: Simplify right side
    77,609.58x = 5,954,222,414.76
  5. Step 5: Solve for x
    x = 5,954,222,414.76/77,609.58
  6. Step 6: Final answer
    x = 76,720.20

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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.