Home / 91,108.48-125,728.83-50,272.99

Finding the Fourth Proportional to 91,108.48, 125,728.83 and 50,272.99

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Solution

The fourth proportional to 91,108.48, 125,728.83 and 50,272.99 is: 69,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,108.48 : 125,728.83 = 50,272.99 : x
  2. Step 2: Convert to fraction form
    91,108.48/125,728.83 = 50,272.99/x
  3. Step 3: Cross multiply
    91,108.48x = 125,728.83 × 50,272.99
  4. Step 4: Simplify right side
    91,108.48x = 6,320,764,213.30
  5. Step 5: Solve for x
    x = 6,320,764,213.30/91,108.48
  6. Step 6: Final answer
    x = 69,376.24

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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.