Home / 85,884.20-128,826.30-23,554.60

Finding the Fourth Proportional to 85,884.20, 128,826.30 and 23,554.60

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Solution

The fourth proportional to 85,884.20, 128,826.30 and 23,554.60 is: 35,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,884.20 : 128,826.30 = 23,554.60 : x
  2. Step 2: Convert to fraction form
    85,884.20/128,826.30 = 23,554.60/x
  3. Step 3: Cross multiply
    85,884.20x = 128,826.30 × 23,554.60
  4. Step 4: Simplify right side
    85,884.20x = 3,034,451,965.98
  5. Step 5: Solve for x
    x = 3,034,451,965.98/85,884.20
  6. Step 6: Final answer
    x = 35,331.90

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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.