Home / 75,315.80-103,936.83-41,323.64

Finding the Fourth Proportional to 75,315.80, 103,936.83 and 41,323.64

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Solution

The fourth proportional to 75,315.80, 103,936.83 and 41,323.64 is: 57,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,315.80 : 103,936.83 = 41,323.64 : x
  2. Step 2: Convert to fraction form
    75,315.80/103,936.83 = 41,323.64/x
  3. Step 3: Cross multiply
    75,315.80x = 103,936.83 × 41,323.64
  4. Step 4: Simplify right side
    75,315.80x = 4,295,047,625.98
  5. Step 5: Solve for x
    x = 4,295,047,625.98/75,315.80
  6. Step 6: Final answer
    x = 57,027.18

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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.