Home / 117,049.56-161,516.70-66,057.36

Finding the Fourth Proportional to 117,049.56, 161,516.70 and 66,057.36

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Solution

The fourth proportional to 117,049.56, 161,516.70 and 66,057.36 is: 91,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,049.56 : 161,516.70 = 66,057.36 : x
  2. Step 2: Convert to fraction form
    117,049.56/161,516.70 = 66,057.36/x
  3. Step 3: Cross multiply
    117,049.56x = 161,516.70 × 66,057.36
  4. Step 4: Simplify right side
    117,049.56x = 10,669,366,797.91
  5. Step 5: Solve for x
    x = 10,669,366,797.91/117,049.56
  6. Step 6: Final answer
    x = 91,152.56

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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.