Home / 91,081.26-125,695.09-50,796.72

Finding the Fourth Proportional to 91,081.26, 125,695.09 and 50,796.72

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Solution

The fourth proportional to 91,081.26, 125,695.09 and 50,796.72 is: 70,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,081.26 : 125,695.09 = 50,796.72 : x
  2. Step 2: Convert to fraction form
    91,081.26/125,695.09 = 50,796.72/x
  3. Step 3: Cross multiply
    91,081.26x = 125,695.09 × 50,796.72
  4. Step 4: Simplify right side
    91,081.26x = 6,384,898,355.60
  5. Step 5: Solve for x
    x = 6,384,898,355.60/91,081.26
  6. Step 6: Final answer
    x = 70,101.12

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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.