Home / 90,676.23-125,136.23-50,391.69

Finding the Fourth Proportional to 90,676.23, 125,136.23 and 50,391.69

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Solution

The fourth proportional to 90,676.23, 125,136.23 and 50,391.69 is: 69,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,676.23 : 125,136.23 = 50,391.69 : x
  2. Step 2: Convert to fraction form
    90,676.23/125,136.23 = 50,391.69/x
  3. Step 3: Cross multiply
    90,676.23x = 125,136.23 × 50,391.69
  4. Step 4: Simplify right side
    90,676.23x = 6,305,826,235.91
  5. Step 5: Solve for x
    x = 6,305,826,235.91/90,676.23
  6. Step 6: Final answer
    x = 69,542.22

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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.