Home / 90,676.73-125,136.93-50,392.19

Finding the Fourth Proportional to 90,676.73, 125,136.93 and 50,392.19

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Solution

The fourth proportional to 90,676.73, 125,136.93 and 50,392.19 is: 69,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,676.73 : 125,136.93 = 50,392.19 : x
  2. Step 2: Convert to fraction form
    90,676.73/125,136.93 = 50,392.19/x
  3. Step 3: Cross multiply
    90,676.73x = 125,136.93 × 50,392.19
  4. Step 4: Simplify right side
    90,676.73x = 6,305,923,700.62
  5. Step 5: Solve for x
    x = 6,305,923,700.62/90,676.73
  6. Step 6: Final answer
    x = 69,542.91

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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.