Home / 75,977.09-104,843.13-41,985.25

Finding the Fourth Proportional to 75,977.09, 104,843.13 and 41,985.25

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Solution

The fourth proportional to 75,977.09, 104,843.13 and 41,985.25 is: 57,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,977.09 : 104,843.13 = 41,985.25 : x
  2. Step 2: Convert to fraction form
    75,977.09/104,843.13 = 41,985.25/x
  3. Step 3: Cross multiply
    75,977.09x = 104,843.13 × 41,985.25
  4. Step 4: Simplify right side
    75,977.09x = 4,401,865,128.80
  5. Step 5: Solve for x
    x = 4,401,865,128.80/75,977.09
  6. Step 6: Final answer
    x = 57,936.75

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1.5x scale

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.