Home / 69,535.71-104,321.79-30,083.58

Finding the Fourth Proportional to 69,535.71, 104,321.79 and 30,083.58

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Solution

The fourth proportional to 69,535.71, 104,321.79 and 30,083.58 is: 45,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,535.71 : 104,321.79 = 30,083.58 : x
  2. Step 2: Convert to fraction form
    69,535.71/104,321.79 = 30,083.58/x
  3. Step 3: Cross multiply
    69,535.71x = 104,321.79 × 30,083.58
  4. Step 4: Simplify right side
    69,535.71x = 3,138,372,915.21
  5. Step 5: Solve for x
    x = 3,138,372,915.21/69,535.71
  6. Step 6: Final answer
    x = 45,133.25

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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.