Home / 117,049.34-161,530.17-66,072.26

Finding the Fourth Proportional to 117,049.34, 161,530.17 and 66,072.26

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Solution

The fourth proportional to 117,049.34, 161,530.17 and 66,072.26 is: 91,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,049.34 : 161,530.17 = 66,072.26 : x
  2. Step 2: Convert to fraction form
    117,049.34/161,530.17 = 66,072.26/x
  3. Step 3: Cross multiply
    117,049.34x = 161,530.17 × 66,072.26
  4. Step 4: Simplify right side
    117,049.34x = 10,672,663,546.14
  5. Step 5: Solve for x
    x = 10,672,663,546.14/117,049.34
  6. Step 6: Final answer
    x = 91,180.89

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1.5x scale

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.