Home / 84,376.08-126,565.20-25,198.20

Finding the Fourth Proportional to 84,376.08, 126,565.20 and 25,198.20

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Solution

The fourth proportional to 84,376.08, 126,565.20 and 25,198.20 is: 37,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,376.08 : 126,565.20 = 25,198.20 : x
  2. Step 2: Convert to fraction form
    84,376.08/126,565.20 = 25,198.20/x
  3. Step 3: Cross multiply
    84,376.08x = 126,565.20 × 25,198.20
  4. Step 4: Simplify right side
    84,376.08x = 3,189,215,222.64
  5. Step 5: Solve for x
    x = 3,189,215,222.64/84,376.08
  6. Step 6: Final answer
    x = 37,797.62

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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.