Home / 49,739.46-68,639.77-27,078.64

Finding the Fourth Proportional to 49,739.46, 68,639.77 and 27,078.64

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Solution

The fourth proportional to 49,739.46, 68,639.77 and 27,078.64 is: 37,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.46 : 68,639.77 = 27,078.64 : x
  2. Step 2: Convert to fraction form
    49,739.46/68,639.77 = 27,078.64/x
  3. Step 3: Cross multiply
    49,739.46x = 68,639.77 × 27,078.64
  4. Step 4: Simplify right side
    49,739.46x = 1,858,671,621.51
  5. Step 5: Solve for x
    x = 1,858,671,621.51/49,739.46
  6. Step 6: Final answer
    x = 37,368.15

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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.