Home / 69,239.96-103,818.32-27,069.81

Finding the Fourth Proportional to 69,239.96, 103,818.32 and 27,069.81

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Solution

The fourth proportional to 69,239.96, 103,818.32 and 27,069.81 is: 40,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,239.96 : 103,818.32 = 27,069.81 : x
  2. Step 2: Convert to fraction form
    69,239.96/103,818.32 = 27,069.81/x
  3. Step 3: Cross multiply
    69,239.96x = 103,818.32 × 27,069.81
  4. Step 4: Simplify right side
    69,239.96x = 2,810,342,196.92
  5. Step 5: Solve for x
    x = 2,810,342,196.92/69,239.96
  6. Step 6: Final answer
    x = 40,588.44

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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.