Home / 88,028.10-132,236.55-84,723.30

Finding the Fourth Proportional to 88,028.10, 132,236.55 and 84,723.30

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Solution

The fourth proportional to 88,028.10, 132,236.55 and 84,723.30 is: 127,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,028.10 : 132,236.55 = 84,723.30 : x
  2. Step 2: Convert to fraction form
    88,028.10/132,236.55 = 84,723.30/x
  3. Step 3: Cross multiply
    88,028.10x = 132,236.55 × 84,723.30
  4. Step 4: Simplify right side
    88,028.10x = 11,203,516,896.62
  5. Step 5: Solve for x
    x = 11,203,516,896.62/88,028.10
  6. Step 6: Final answer
    x = 127,272.05

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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.