Home / 75,540.64-113,155.32-44,300.56

Finding the Fourth Proportional to 75,540.64, 113,155.32 and 44,300.56

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Solution

The fourth proportional to 75,540.64, 113,155.32 and 44,300.56 is: 66,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,540.64 : 113,155.32 = 44,300.56 : x
  2. Step 2: Convert to fraction form
    75,540.64/113,155.32 = 44,300.56/x
  3. Step 3: Cross multiply
    75,540.64x = 113,155.32 × 44,300.56
  4. Step 4: Simplify right side
    75,540.64x = 5,012,844,042.98
  5. Step 5: Solve for x
    x = 5,012,844,042.98/75,540.64
  6. Step 6: Final answer
    x = 66,359.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.