Home / 81,749.96-122,558.80-25,561.16

Finding the Fourth Proportional to 81,749.96, 122,558.80 and 25,561.16

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Solution

The fourth proportional to 81,749.96, 122,558.80 and 25,561.16 is: 38,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,749.96 : 122,558.80 = 25,561.16 : x
  2. Step 2: Convert to fraction form
    81,749.96/122,558.80 = 25,561.16/x
  3. Step 3: Cross multiply
    81,749.96x = 122,558.80 × 25,561.16
  4. Step 4: Simplify right side
    81,749.96x = 3,132,745,096.21
  5. Step 5: Solve for x
    x = 3,132,745,096.21/81,749.96
  6. Step 6: Final answer
    x = 38,321.06

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1.5x scale

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.