Home / 85,331.73-117,734.17-55,118.33

Finding the Fourth Proportional to 85,331.73, 117,734.17 and 55,118.33

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Solution

The fourth proportional to 85,331.73, 117,734.17 and 55,118.33 is: 76,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,331.73 : 117,734.17 = 55,118.33 : x
  2. Step 2: Convert to fraction form
    85,331.73/117,734.17 = 55,118.33/x
  3. Step 3: Cross multiply
    85,331.73x = 117,734.17 × 55,118.33
  4. Step 4: Simplify right side
    85,331.73x = 6,489,310,834.34
  5. Step 5: Solve for x
    x = 6,489,310,834.34/85,331.73
  6. Step 6: Final answer
    x = 76,048.04

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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.