Home / 81,828.96-122,743.55-25,673.37

Finding the Fourth Proportional to 81,828.96, 122,743.55 and 25,673.37

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Solution

The fourth proportional to 81,828.96, 122,743.55 and 25,673.37 is: 38,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,828.96 : 122,743.55 = 25,673.37 : x
  2. Step 2: Convert to fraction form
    81,828.96/122,743.55 = 25,673.37/x
  3. Step 3: Cross multiply
    81,828.96x = 122,743.55 × 25,673.37
  4. Step 4: Simplify right side
    81,828.96x = 3,151,240,574.26
  5. Step 5: Solve for x
    x = 3,151,240,574.26/81,828.96
  6. Step 6: Final answer
    x = 38,510.09

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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.