Home / 85,170.44-117,534.25-48,376.39

Finding the Fourth Proportional to 85,170.44, 117,534.25 and 48,376.39

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Solution

The fourth proportional to 85,170.44, 117,534.25 and 48,376.39 is: 66,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,170.44 : 117,534.25 = 48,376.39 : x
  2. Step 2: Convert to fraction form
    85,170.44/117,534.25 = 48,376.39/x
  3. Step 3: Cross multiply
    85,170.44x = 117,534.25 × 48,376.39
  4. Step 4: Simplify right side
    85,170.44x = 5,685,882,716.36
  5. Step 5: Solve for x
    x = 5,685,882,716.36/85,170.44
  6. Step 6: Final answer
    x = 66,758.87

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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.