Home / 81,986.01-122,701.26-50,416.07

Finding the Fourth Proportional to 81,986.01, 122,701.26 and 50,416.07

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Solution

The fourth proportional to 81,986.01, 122,701.26 and 50,416.07 is: 75,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,986.01 : 122,701.26 = 50,416.07 : x
  2. Step 2: Convert to fraction form
    81,986.01/122,701.26 = 50,416.07/x
  3. Step 3: Cross multiply
    81,986.01x = 122,701.26 × 50,416.07
  4. Step 4: Simplify right side
    81,986.01x = 6,186,115,313.25
  5. Step 5: Solve for x
    x = 6,186,115,313.25/81,986.01
  6. Step 6: Final answer
    x = 75,453.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.