Home / 90,427.13-124,790.94-50,142.59

Finding the Fourth Proportional to 90,427.13, 124,790.94 and 50,142.59

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Solution

The fourth proportional to 90,427.13, 124,790.94 and 50,142.59 is: 69,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.13 : 124,790.94 = 50,142.59 : x
  2. Step 2: Convert to fraction form
    90,427.13/124,790.94 = 50,142.59/x
  3. Step 3: Cross multiply
    90,427.13x = 124,790.94 × 50,142.59
  4. Step 4: Simplify right side
    90,427.13x = 6,257,340,940.13
  5. Step 5: Solve for x
    x = 6,257,340,940.13/90,427.13
  6. Step 6: Final answer
    x = 69,197.61

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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.