Home / 82,092.32-123,145.46-25,917.40

Finding the Fourth Proportional to 82,092.32, 123,145.46 and 25,917.40

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Solution

The fourth proportional to 82,092.32, 123,145.46 and 25,917.40 is: 38,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,092.32 : 123,145.46 = 25,917.40 : x
  2. Step 2: Convert to fraction form
    82,092.32/123,145.46 = 25,917.40/x
  3. Step 3: Cross multiply
    82,092.32x = 123,145.46 × 25,917.40
  4. Step 4: Simplify right side
    82,092.32x = 3,191,610,145.00
  5. Step 5: Solve for x
    x = 3,191,610,145.00/82,092.32
  6. Step 6: Final answer
    x = 38,878.30

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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.