Home / 84,942.09-127,409.89-25,775.37

Finding the Fourth Proportional to 84,942.09, 127,409.89 and 25,775.37

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Solution

The fourth proportional to 84,942.09, 127,409.89 and 25,775.37 is: 38,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942.09 : 127,409.89 = 25,775.37 : x
  2. Step 2: Convert to fraction form
    84,942.09/127,409.89 = 25,775.37/x
  3. Step 3: Cross multiply
    84,942.09x = 127,409.89 × 25,775.37
  4. Step 4: Simplify right side
    84,942.09x = 3,284,036,927.53
  5. Step 5: Solve for x
    x = 3,284,036,927.53/84,942.09
  6. Step 6: Final answer
    x = 38,662.07

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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.