Home / 81,884.32-122,828.00-25,723.37

Finding the Fourth Proportional to 81,884.32, 122,828.00 and 25,723.37

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Solution

The fourth proportional to 81,884.32, 122,828.00 and 25,723.37 is: 38,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,884.32 : 122,828.00 = 25,723.37 : x
  2. Step 2: Convert to fraction form
    81,884.32/122,828.00 = 25,723.37/x
  3. Step 3: Cross multiply
    81,884.32x = 122,828.00 × 25,723.37
  4. Step 4: Simplify right side
    81,884.32x = 3,159,550,268.81
  5. Step 5: Solve for x
    x = 3,159,550,268.81/81,884.32
  6. Step 6: Final answer
    x = 38,585.54

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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.