Home / 75,790.05-113,685.45-19,626.22

Finding the Fourth Proportional to 75,790.05, 113,685.45 and 19,626.22

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Solution

The fourth proportional to 75,790.05, 113,685.45 and 19,626.22 is: 29,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,790.05 : 113,685.45 = 19,626.22 : x
  2. Step 2: Convert to fraction form
    75,790.05/113,685.45 = 19,626.22/x
  3. Step 3: Cross multiply
    75,790.05x = 113,685.45 × 19,626.22
  4. Step 4: Simplify right side
    75,790.05x = 2,231,215,652.50
  5. Step 5: Solve for x
    x = 2,231,215,652.50/75,790.05
  6. Step 6: Final answer
    x = 29,439.43

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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.