Home / 117,691.29-162,427.56-69,944.22

Finding the Fourth Proportional to 117,691.29, 162,427.56 and 69,944.22

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Solution

The fourth proportional to 117,691.29, 162,427.56 and 69,944.22 is: 96,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,691.29 : 162,427.56 = 69,944.22 : x
  2. Step 2: Convert to fraction form
    117,691.29/162,427.56 = 69,944.22/x
  3. Step 3: Cross multiply
    117,691.29x = 162,427.56 × 69,944.22
  4. Step 4: Simplify right side
    117,691.29x = 11,360,868,990.70
  5. Step 5: Solve for x
    x = 11,360,868,990.70/117,691.29
  6. Step 6: Final answer
    x = 96,531.09

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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.