Home / 49,790.32-68,709.77-27,129.50

Finding the Fourth Proportional to 49,790.32, 68,709.77 and 27,129.50

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Solution

The fourth proportional to 49,790.32, 68,709.77 and 27,129.50 is: 37,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,790.32 : 68,709.77 = 27,129.50 : x
  2. Step 2: Convert to fraction form
    49,790.32/68,709.77 = 27,129.50/x
  3. Step 3: Cross multiply
    49,790.32x = 68,709.77 × 27,129.50
  4. Step 4: Simplify right side
    49,790.32x = 1,864,061,705.22
  5. Step 5: Solve for x
    x = 1,864,061,705.22/49,790.32
  6. Step 6: Final answer
    x = 37,438.24

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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.