Home / 82,778.55-124,170.11-30,227.19

Finding the Fourth Proportional to 82,778.55, 124,170.11 and 30,227.19

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Solution

The fourth proportional to 82,778.55, 124,170.11 and 30,227.19 is: 45,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,778.55 : 124,170.11 = 30,227.19 : x
  2. Step 2: Convert to fraction form
    82,778.55/124,170.11 = 30,227.19/x
  3. Step 3: Cross multiply
    82,778.55x = 124,170.11 × 30,227.19
  4. Step 4: Simplify right side
    82,778.55x = 3,753,313,356.15
  5. Step 5: Solve for x
    x = 3,753,313,356.15/82,778.55
  6. Step 6: Final answer
    x = 45,341.62

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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.