Home / 49,970.78-68,959.86-27,309.77

Finding the Fourth Proportional to 49,970.78, 68,959.86 and 27,309.77

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Solution

The fourth proportional to 49,970.78, 68,959.86 and 27,309.77 is: 37,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,970.78 : 68,959.86 = 27,309.77 : x
  2. Step 2: Convert to fraction form
    49,970.78/68,959.86 = 27,309.77/x
  3. Step 3: Cross multiply
    49,970.78x = 68,959.86 × 27,309.77
  4. Step 4: Simplify right side
    49,970.78x = 1,883,277,533.27
  5. Step 5: Solve for x
    x = 1,883,277,533.27/49,970.78
  6. Step 6: Final answer
    x = 37,687.57

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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.