Home / 53,375.97-79,999.21-39,204.59

Finding the Fourth Proportional to 53,375.97, 79,999.21 and 39,204.59

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Solution

The fourth proportional to 53,375.97, 79,999.21 and 39,204.59 is: 58,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,375.97 : 79,999.21 = 39,204.59 : x
  2. Step 2: Convert to fraction form
    53,375.97/79,999.21 = 39,204.59/x
  3. Step 3: Cross multiply
    53,375.97x = 79,999.21 × 39,204.59
  4. Step 4: Simplify right side
    53,375.97x = 3,136,336,228.37
  5. Step 5: Solve for x
    x = 3,136,336,228.37/53,375.97
  6. Step 6: Final answer
    x = 58,759.33

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1.5x scale

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.