Home / 69,858.68-104,729.24-30,386.07

Finding the Fourth Proportional to 69,858.68, 104,729.24 and 30,386.07

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Solution

The fourth proportional to 69,858.68, 104,729.24 and 30,386.07 is: 45,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,858.68 : 104,729.24 = 30,386.07 : x
  2. Step 2: Convert to fraction form
    69,858.68/104,729.24 = 30,386.07/x
  3. Step 3: Cross multiply
    69,858.68x = 104,729.24 × 30,386.07
  4. Step 4: Simplify right side
    69,858.68x = 3,182,310,093.65
  5. Step 5: Solve for x
    x = 3,182,310,093.65/69,858.68
  6. Step 6: Final answer
    x = 45,553.54

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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.