Home / 82,825.75-124,258.20-27,421.75

Finding the Fourth Proportional to 82,825.75, 124,258.20 and 27,421.75

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Solution

The fourth proportional to 82,825.75, 124,258.20 and 27,421.75 is: 41,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,825.75 : 124,258.20 = 27,421.75 : x
  2. Step 2: Convert to fraction form
    82,825.75/124,258.20 = 27,421.75/x
  3. Step 3: Cross multiply
    82,825.75x = 124,258.20 × 27,421.75
  4. Step 4: Simplify right side
    82,825.75x = 3,407,377,295.85
  5. Step 5: Solve for x
    x = 3,407,377,295.85/82,825.75
  6. Step 6: Final answer
    x = 41,139.11

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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.