Home / 82,263.76-123,380.08-40,101.52

Finding the Fourth Proportional to 82,263.76, 123,380.08 and 40,101.52

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Solution

The fourth proportional to 82,263.76, 123,380.08 and 40,101.52 is: 60,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,263.76 : 123,380.08 = 40,101.52 : x
  2. Step 2: Convert to fraction form
    82,263.76/123,380.08 = 40,101.52/x
  3. Step 3: Cross multiply
    82,263.76x = 123,380.08 × 40,101.52
  4. Step 4: Simplify right side
    82,263.76x = 4,947,728,745.72
  5. Step 5: Solve for x
    x = 4,947,728,745.72/82,263.76
  6. Step 6: Final answer
    x = 60,144.69

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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.