Home / 49,979.36-68,971.20-27,623.36

Finding the Fourth Proportional to 49,979.36, 68,971.20 and 27,623.36

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Solution

The fourth proportional to 49,979.36, 68,971.20 and 27,623.36 is: 38,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.36 : 68,971.20 = 27,623.36 : x
  2. Step 2: Convert to fraction form
    49,979.36/68,971.20 = 27,623.36/x
  3. Step 3: Cross multiply
    49,979.36x = 68,971.20 × 27,623.36
  4. Step 4: Simplify right side
    49,979.36x = 1,905,216,287.23
  5. Step 5: Solve for x
    x = 1,905,216,287.23/49,979.36
  6. Step 6: Final answer
    x = 38,120.06

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1.5x scale

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.