Home / 87,852.53-121,236.31-47,566.33

Finding the Fourth Proportional to 87,852.53, 121,236.31 and 47,566.33

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Solution

The fourth proportional to 87,852.53, 121,236.31 and 47,566.33 is: 65,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.53 : 121,236.31 = 47,566.33 : x
  2. Step 2: Convert to fraction form
    87,852.53/121,236.31 = 47,566.33/x
  3. Step 3: Cross multiply
    87,852.53x = 121,236.31 × 47,566.33
  4. Step 4: Simplify right side
    87,852.53x = 5,766,766,329.44
  5. Step 5: Solve for x
    x = 5,766,766,329.44/87,852.53
  6. Step 6: Final answer
    x = 65,641.44

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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.