Home / 69,837.12-104,753.16-30,394.26

Finding the Fourth Proportional to 69,837.12, 104,753.16 and 30,394.26

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Solution

The fourth proportional to 69,837.12, 104,753.16 and 30,394.26 is: 45,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,837.12 : 104,753.16 = 30,394.26 : x
  2. Step 2: Convert to fraction form
    69,837.12/104,753.16 = 30,394.26/x
  3. Step 3: Cross multiply
    69,837.12x = 104,753.16 × 30,394.26
  4. Step 4: Simplify right side
    69,837.12x = 3,183,894,780.86
  5. Step 5: Solve for x
    x = 3,183,894,780.86/69,837.12
  6. Step 6: Final answer
    x = 45,590.29

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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.