Home / 117,943.50-162,759.60-64,229.46

Finding the Fourth Proportional to 117,943.50, 162,759.60 and 64,229.46

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Solution

The fourth proportional to 117,943.50, 162,759.60 and 64,229.46 is: 88,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,943.50 : 162,759.60 = 64,229.46 : x
  2. Step 2: Convert to fraction form
    117,943.50/162,759.60 = 64,229.46/x
  3. Step 3: Cross multiply
    117,943.50x = 162,759.60 × 64,229.46
  4. Step 4: Simplify right side
    117,943.50x = 10,453,961,217.82
  5. Step 5: Solve for x
    x = 10,453,961,217.82/117,943.50
  6. Step 6: Final answer
    x = 88,635.33

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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.