Home / 53,759.42-80,640.23-19,564.02

Finding the Fourth Proportional to 53,759.42, 80,640.23 and 19,564.02

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Solution

The fourth proportional to 53,759.42, 80,640.23 and 19,564.02 is: 29,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759.42 : 80,640.23 = 19,564.02 : x
  2. Step 2: Convert to fraction form
    53,759.42/80,640.23 = 19,564.02/x
  3. Step 3: Cross multiply
    53,759.42x = 80,640.23 × 19,564.02
  4. Step 4: Simplify right side
    53,759.42x = 1,577,647,072.52
  5. Step 5: Solve for x
    x = 1,577,647,072.52/53,759.42
  6. Step 6: Final answer
    x = 29,346.43

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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.