Home / 91,072.20-125,679.09-50,786.46

Finding the Fourth Proportional to 91,072.20, 125,679.09 and 50,786.46

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Solution

The fourth proportional to 91,072.20, 125,679.09 and 50,786.46 is: 70,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,072.20 : 125,679.09 = 50,786.46 : x
  2. Step 2: Convert to fraction form
    91,072.20/125,679.09 = 50,786.46/x
  3. Step 3: Cross multiply
    91,072.20x = 125,679.09 × 50,786.46
  4. Step 4: Simplify right side
    91,072.20x = 6,382,796,077.12
  5. Step 5: Solve for x
    x = 6,382,796,077.12/91,072.20
  6. Step 6: Final answer
    x = 70,085.01

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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.