Home / 60,738.21-91,107.27-31,137.15

Finding the Fourth Proportional to 60,738.21, 91,107.27 and 31,137.15

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Solution

The fourth proportional to 60,738.21, 91,107.27 and 31,137.15 is: 46,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,738.21 : 91,107.27 = 31,137.15 : x
  2. Step 2: Convert to fraction form
    60,738.21/91,107.27 = 31,137.15/x
  3. Step 3: Cross multiply
    60,738.21x = 91,107.27 × 31,137.15
  4. Step 4: Simplify right side
    60,738.21x = 2,836,820,732.08
  5. Step 5: Solve for x
    x = 2,836,820,732.08/60,738.21
  6. Step 6: Final answer
    x = 46,705.70

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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.