Home / 69,702.23-104,555.40-17,111.72

Finding the Fourth Proportional to 69,702.23, 104,555.40 and 17,111.72

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Solution

The fourth proportional to 69,702.23, 104,555.40 and 17,111.72 is: 25,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,702.23 : 104,555.40 = 17,111.72 : x
  2. Step 2: Convert to fraction form
    69,702.23/104,555.40 = 17,111.72/x
  3. Step 3: Cross multiply
    69,702.23x = 104,555.40 × 17,111.72
  4. Step 4: Simplify right side
    69,702.23x = 1,789,122,990.68
  5. Step 5: Solve for x
    x = 1,789,122,990.68/69,702.23
  6. Step 6: Final answer
    x = 25,668.09

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1.5x scale

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.