Home / 85,175.44-117,542.28-47,451.04

Finding the Fourth Proportional to 85,175.44, 117,542.28 and 47,451.04

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Solution

The fourth proportional to 85,175.44, 117,542.28 and 47,451.04 is: 65,482.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,175.44 : 117,542.28 = 47,451.04 : x
  2. Step 2: Convert to fraction form
    85,175.44/117,542.28 = 47,451.04/x
  3. Step 3: Cross multiply
    85,175.44x = 117,542.28 × 47,451.04
  4. Step 4: Simplify right side
    85,175.44x = 5,577,503,429.97
  5. Step 5: Solve for x
    x = 5,577,503,429.97/85,175.44
  6. Step 6: Final answer
    x = 65,482.53

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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.