Home / 90,410.73-124,761.83-50,122.14

Finding the Fourth Proportional to 90,410.73, 124,761.83 and 50,122.14

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Solution

The fourth proportional to 90,410.73, 124,761.83 and 50,122.14 is: 69,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410.73 : 124,761.83 = 50,122.14 : x
  2. Step 2: Convert to fraction form
    90,410.73/124,761.83 = 50,122.14/x
  3. Step 3: Cross multiply
    90,410.73x = 124,761.83 × 50,122.14
  4. Step 4: Simplify right side
    90,410.73x = 6,253,329,659.31
  5. Step 5: Solve for x
    x = 6,253,329,659.31/90,410.73
  6. Step 6: Final answer
    x = 69,165.79

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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.