Home / 89,578.72-134,368.64-27,249.12

Finding the Fourth Proportional to 89,578.72, 134,368.64 and 27,249.12

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Solution

The fourth proportional to 89,578.72, 134,368.64 and 27,249.12 is: 40,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578.72 : 134,368.64 = 27,249.12 : x
  2. Step 2: Convert to fraction form
    89,578.72/134,368.64 = 27,249.12/x
  3. Step 3: Cross multiply
    89,578.72x = 134,368.64 × 27,249.12
  4. Step 4: Simplify right side
    89,578.72x = 3,661,427,195.60
  5. Step 5: Solve for x
    x = 3,661,427,195.60/89,578.72
  6. Step 6: Final answer
    x = 40,873.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.