Home / 90,991.35-125,566.36-50,704.25

Finding the Fourth Proportional to 90,991.35, 125,566.36 and 50,704.25

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Solution

The fourth proportional to 90,991.35, 125,566.36 and 50,704.25 is: 69,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,991.35 : 125,566.36 = 50,704.25 : x
  2. Step 2: Convert to fraction form
    90,991.35/125,566.36 = 50,704.25/x
  3. Step 3: Cross multiply
    90,991.35x = 125,566.36 × 50,704.25
  4. Step 4: Simplify right side
    90,991.35x = 6,366,747,354.44
  5. Step 5: Solve for x
    x = 6,366,747,354.44/90,991.35
  6. Step 6: Final answer
    x = 69,970.91

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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.