Home / 69,859.66-104,795.73-19,938.82

Finding the Fourth Proportional to 69,859.66, 104,795.73 and 19,938.82

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Solution

The fourth proportional to 69,859.66, 104,795.73 and 19,938.82 is: 29,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.66 : 104,795.73 = 19,938.82 : x
  2. Step 2: Convert to fraction form
    69,859.66/104,795.73 = 19,938.82/x
  3. Step 3: Cross multiply
    69,859.66x = 104,795.73 × 19,938.82
  4. Step 4: Simplify right side
    69,859.66x = 2,089,503,197.24
  5. Step 5: Solve for x
    x = 2,089,503,197.24/69,859.66
  6. Step 6: Final answer
    x = 29,910.01

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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.