Home / 69,088.72-103,633.08-22,345.24

Finding the Fourth Proportional to 69,088.72, 103,633.08 and 22,345.24

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Solution

The fourth proportional to 69,088.72, 103,633.08 and 22,345.24 is: 33,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.72 : 103,633.08 = 22,345.24 : x
  2. Step 2: Convert to fraction form
    69,088.72/103,633.08 = 22,345.24/x
  3. Step 3: Cross multiply
    69,088.72x = 103,633.08 × 22,345.24
  4. Step 4: Simplify right side
    69,088.72x = 2,315,706,044.54
  5. Step 5: Solve for x
    x = 2,315,706,044.54/69,088.72
  6. Step 6: Final answer
    x = 33,517.86

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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.