Home / 69,522.64-104,278.52-19,600.72

Finding the Fourth Proportional to 69,522.64, 104,278.52 and 19,600.72

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Solution

The fourth proportional to 69,522.64, 104,278.52 and 19,600.72 is: 29,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,522.64 : 104,278.52 = 19,600.72 : x
  2. Step 2: Convert to fraction form
    69,522.64/104,278.52 = 19,600.72/x
  3. Step 3: Cross multiply
    69,522.64x = 104,278.52 × 19,600.72
  4. Step 4: Simplify right side
    69,522.64x = 2,043,934,072.53
  5. Step 5: Solve for x
    x = 2,043,934,072.53/69,522.64
  6. Step 6: Final answer
    x = 29,399.55

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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.