Home / 82,099.38-123,170.94-29,509.32

Finding the Fourth Proportional to 82,099.38, 123,170.94 and 29,509.32

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Solution

The fourth proportional to 82,099.38, 123,170.94 and 29,509.32 is: 44,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,099.38 : 123,170.94 = 29,509.32 : x
  2. Step 2: Convert to fraction form
    82,099.38/123,170.94 = 29,509.32/x
  3. Step 3: Cross multiply
    82,099.38x = 123,170.94 × 29,509.32
  4. Step 4: Simplify right side
    82,099.38x = 3,634,690,683.16
  5. Step 5: Solve for x
    x = 3,634,690,683.16/82,099.38
  6. Step 6: Final answer
    x = 44,271.84

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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.