Home / 69,715.25-104,573.21-17,124.74

Finding the Fourth Proportional to 69,715.25, 104,573.21 and 17,124.74

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Solution

The fourth proportional to 69,715.25, 104,573.21 and 17,124.74 is: 25,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,715.25 : 104,573.21 = 17,124.74 : x
  2. Step 2: Convert to fraction form
    69,715.25/104,573.21 = 17,124.74/x
  3. Step 3: Cross multiply
    69,715.25x = 104,573.21 × 17,124.74
  4. Step 4: Simplify right side
    69,715.25x = 1,790,788,423.73
  5. Step 5: Solve for x
    x = 1,790,788,423.73/69,715.25
  6. Step 6: Final answer
    x = 25,687.19

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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.