Home / 90,371.97-124,709.90-50,084.73

Finding the Fourth Proportional to 90,371.97, 124,709.90 and 50,084.73

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Solution

The fourth proportional to 90,371.97, 124,709.90 and 50,084.73 is: 69,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,371.97 : 124,709.90 = 50,084.73 : x
  2. Step 2: Convert to fraction form
    90,371.97/124,709.90 = 50,084.73/x
  3. Step 3: Cross multiply
    90,371.97x = 124,709.90 × 50,084.73
  4. Step 4: Simplify right side
    90,371.97x = 6,246,061,419.40
  5. Step 5: Solve for x
    x = 6,246,061,419.40/90,371.97
  6. Step 6: Final answer
    x = 69,115.03

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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.