Home / 117,729.73-162,467.22-64,014.70

Finding the Fourth Proportional to 117,729.73, 162,467.22 and 64,014.70

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Solution

The fourth proportional to 117,729.73, 162,467.22 and 64,014.70 is: 88,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,729.73 : 162,467.22 = 64,014.70 : x
  2. Step 2: Convert to fraction form
    117,729.73/162,467.22 = 64,014.70/x
  3. Step 3: Cross multiply
    117,729.73x = 162,467.22 × 64,014.70
  4. Step 4: Simplify right side
    117,729.73x = 10,400,290,348.13
  5. Step 5: Solve for x
    x = 10,400,290,348.13/117,729.73
  6. Step 6: Final answer
    x = 88,340.39

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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.