Home / 85,160.44-117,522.68-48,867.80

Finding the Fourth Proportional to 85,160.44, 117,522.68 and 48,867.80

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Solution

The fourth proportional to 85,160.44, 117,522.68 and 48,867.80 is: 67,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,160.44 : 117,522.68 = 48,867.80 : x
  2. Step 2: Convert to fraction form
    85,160.44/117,522.68 = 48,867.80/x
  3. Step 3: Cross multiply
    85,160.44x = 117,522.68 × 48,867.80
  4. Step 4: Simplify right side
    85,160.44x = 5,743,074,821.70
  5. Step 5: Solve for x
    x = 5,743,074,821.70/85,160.44
  6. Step 6: Final answer
    x = 67,438.29

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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.