Home / 75,350.12-103,983.78-41,816.68

Finding the Fourth Proportional to 75,350.12, 103,983.78 and 41,816.68

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Solution

The fourth proportional to 75,350.12, 103,983.78 and 41,816.68 is: 57,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,350.12 : 103,983.78 = 41,816.68 : x
  2. Step 2: Convert to fraction form
    75,350.12/103,983.78 = 41,816.68/x
  3. Step 3: Cross multiply
    75,350.12x = 103,983.78 × 41,816.68
  4. Step 4: Simplify right side
    75,350.12x = 4,348,256,453.45
  5. Step 5: Solve for x
    x = 4,348,256,453.45/75,350.12
  6. Step 6: Final answer
    x = 57,707.36

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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.