Home / 69,132.86-103,714.40-22,390.46

Finding the Fourth Proportional to 69,132.86, 103,714.40 and 22,390.46

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Solution

The fourth proportional to 69,132.86, 103,714.40 and 22,390.46 is: 33,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,132.86 : 103,714.40 = 22,390.46 : x
  2. Step 2: Convert to fraction form
    69,132.86/103,714.40 = 22,390.46/x
  3. Step 3: Cross multiply
    69,132.86x = 103,714.40 × 22,390.46
  4. Step 4: Simplify right side
    69,132.86x = 2,322,212,662.03
  5. Step 5: Solve for x
    x = 2,322,212,662.03/69,132.86
  6. Step 6: Final answer
    x = 33,590.58

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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.