Home / 82,219.05-113,450.13-48,214.71

Finding the Fourth Proportional to 82,219.05, 113,450.13 and 48,214.71

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Solution

The fourth proportional to 82,219.05, 113,450.13 and 48,214.71 is: 66,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,219.05 : 113,450.13 = 48,214.71 : x
  2. Step 2: Convert to fraction form
    82,219.05/113,450.13 = 48,214.71/x
  3. Step 3: Cross multiply
    82,219.05x = 113,450.13 × 48,214.71
  4. Step 4: Simplify right side
    82,219.05x = 5,469,965,117.41
  5. Step 5: Solve for x
    x = 5,469,965,117.41/82,219.05
  6. Step 6: Final answer
    x = 66,529.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.