Home / 117,516.83-162,183.26-66,538.54

Finding the Fourth Proportional to 117,516.83, 162,183.26 and 66,538.54

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Solution

The fourth proportional to 117,516.83, 162,183.26 and 66,538.54 is: 91,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,516.83 : 162,183.26 = 66,538.54 : x
  2. Step 2: Convert to fraction form
    117,516.83/162,183.26 = 66,538.54/x
  3. Step 3: Cross multiply
    117,516.83x = 162,183.26 × 66,538.54
  4. Step 4: Simplify right side
    117,516.83x = 10,791,437,332.84
  5. Step 5: Solve for x
    x = 10,791,437,332.84/117,516.83
  6. Step 6: Final answer
    x = 91,828.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.