Home / 75,150.88-103,708.32-41,617.12

Finding the Fourth Proportional to 75,150.88, 103,708.32 and 41,617.12

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Solution

The fourth proportional to 75,150.88, 103,708.32 and 41,617.12 is: 57,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.88 : 103,708.32 = 41,617.12 : x
  2. Step 2: Convert to fraction form
    75,150.88/103,708.32 = 41,617.12/x
  3. Step 3: Cross multiply
    75,150.88x = 103,708.32 × 41,617.12
  4. Step 4: Simplify right side
    75,150.88x = 4,316,041,598.44
  5. Step 5: Solve for x
    x = 4,316,041,598.44/75,150.88
  6. Step 6: Final answer
    x = 57,431.68

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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.