Home / 69,088.93-103,633.44-19,169.07

Finding the Fourth Proportional to 69,088.93, 103,633.44 and 19,169.07

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Solution

The fourth proportional to 69,088.93, 103,633.44 and 19,169.07 is: 28,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.93 : 103,633.44 = 19,169.07 : x
  2. Step 2: Convert to fraction form
    69,088.93/103,633.44 = 19,169.07/x
  3. Step 3: Cross multiply
    69,088.93x = 103,633.44 × 19,169.07
  4. Step 4: Simplify right side
    69,088.93x = 1,986,556,665.70
  5. Step 5: Solve for x
    x = 1,986,556,665.70/69,088.93
  6. Step 6: Final answer
    x = 28,753.62

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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.