Home / 91,108.66-125,729.09-50,273.15

Finding the Fourth Proportional to 91,108.66, 125,729.09 and 50,273.15

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Solution

The fourth proportional to 91,108.66, 125,729.09 and 50,273.15 is: 69,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,108.66 : 125,729.09 = 50,273.15 : x
  2. Step 2: Convert to fraction form
    91,108.66/125,729.09 = 50,273.15/x
  3. Step 3: Cross multiply
    91,108.66x = 125,729.09 × 50,273.15
  4. Step 4: Simplify right side
    91,108.66x = 6,320,797,400.93
  5. Step 5: Solve for x
    x = 6,320,797,400.93/91,108.66
  6. Step 6: Final answer
    x = 69,376.48

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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.