Home / 82,247.20-123,399.60-35,533.60

Finding the Fourth Proportional to 82,247.20, 123,399.60 and 35,533.60

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Solution

The fourth proportional to 82,247.20, 123,399.60 and 35,533.60 is: 53,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247.20 : 123,399.60 = 35,533.60 : x
  2. Step 2: Convert to fraction form
    82,247.20/123,399.60 = 35,533.60/x
  3. Step 3: Cross multiply
    82,247.20x = 123,399.60 × 35,533.60
  4. Step 4: Simplify right side
    82,247.20x = 4,384,832,026.56
  5. Step 5: Solve for x
    x = 4,384,832,026.56/82,247.20
  6. Step 6: Final answer
    x = 53,312.84

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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.