Home / 49,989.53-68,985.69-27,328.79

Finding the Fourth Proportional to 49,989.53, 68,985.69 and 27,328.79

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Solution

The fourth proportional to 49,989.53, 68,985.69 and 27,328.79 is: 37,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.53 : 68,985.69 = 27,328.79 : x
  2. Step 2: Convert to fraction form
    49,989.53/68,985.69 = 27,328.79/x
  3. Step 3: Cross multiply
    49,989.53x = 68,985.69 × 27,328.79
  4. Step 4: Simplify right side
    49,989.53x = 1,885,295,090.09
  5. Step 5: Solve for x
    x = 1,885,295,090.09/49,989.53
  6. Step 6: Final answer
    x = 37,713.80

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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.