Home / 69,176.58-103,758.39-22,429.86

Finding the Fourth Proportional to 69,176.58, 103,758.39 and 22,429.86

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Solution

The fourth proportional to 69,176.58, 103,758.39 and 22,429.86 is: 33,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,176.58 : 103,758.39 = 22,429.86 : x
  2. Step 2: Convert to fraction form
    69,176.58/103,758.39 = 22,429.86/x
  3. Step 3: Cross multiply
    69,176.58x = 103,758.39 × 22,429.86
  4. Step 4: Simplify right side
    69,176.58x = 2,327,286,161.53
  5. Step 5: Solve for x
    x = 2,327,286,161.53/69,176.58
  6. Step 6: Final answer
    x = 33,642.69

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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.