Home / 71,584.95-98,789.73-39,754.38

Finding the Fourth Proportional to 71,584.95, 98,789.73 and 39,754.38

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Solution

The fourth proportional to 71,584.95, 98,789.73 and 39,754.38 is: 54,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,584.95 : 98,789.73 = 39,754.38 : x
  2. Step 2: Convert to fraction form
    71,584.95/98,789.73 = 39,754.38/x
  3. Step 3: Cross multiply
    71,584.95x = 98,789.73 × 39,754.38
  4. Step 4: Simplify right side
    71,584.95x = 3,927,324,466.52
  5. Step 5: Solve for x
    x = 3,927,324,466.52/71,584.95
  6. Step 6: Final answer
    x = 54,862.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.