Home / 71,594.21-98,810.79-51,517.55

Finding the Fourth Proportional to 71,594.21, 98,810.79 and 51,517.55

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Solution

The fourth proportional to 71,594.21, 98,810.79 and 51,517.55 is: 71,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.21 : 98,810.79 = 51,517.55 : x
  2. Step 2: Convert to fraction form
    71,594.21/98,810.79 = 51,517.55/x
  3. Step 3: Cross multiply
    71,594.21x = 98,810.79 × 51,517.55
  4. Step 4: Simplify right side
    71,594.21x = 5,090,489,868.20
  5. Step 5: Solve for x
    x = 5,090,489,868.20/71,594.21
  6. Step 6: Final answer
    x = 71,101.97

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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.