Home / 82,220.05-113,451.51-48,215.71

Finding the Fourth Proportional to 82,220.05, 113,451.51 and 48,215.71

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Solution

The fourth proportional to 82,220.05, 113,451.51 and 48,215.71 is: 66,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,220.05 : 113,451.51 = 48,215.71 : x
  2. Step 2: Convert to fraction form
    82,220.05/113,451.51 = 48,215.71/x
  3. Step 3: Cross multiply
    82,220.05x = 113,451.51 × 48,215.71
  4. Step 4: Simplify right side
    82,220.05x = 5,470,145,105.22
  5. Step 5: Solve for x
    x = 5,470,145,105.22/82,220.05
  6. Step 6: Final answer
    x = 66,530.55

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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.