Home / 75,149.17-103,707.03-41,157.05

Finding the Fourth Proportional to 75,149.17, 103,707.03 and 41,157.05

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Solution

The fourth proportional to 75,149.17, 103,707.03 and 41,157.05 is: 56,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,149.17 : 103,707.03 = 41,157.05 : x
  2. Step 2: Convert to fraction form
    75,149.17/103,707.03 = 41,157.05/x
  3. Step 3: Cross multiply
    75,149.17x = 103,707.03 × 41,157.05
  4. Step 4: Simplify right side
    75,149.17x = 4,268,275,054.87
  5. Step 5: Solve for x
    x = 4,268,275,054.87/75,149.17
  6. Step 6: Final answer
    x = 56,797.37

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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.