Home / 47,623.08-65,716.64-27,480.80

Finding the Fourth Proportional to 47,623.08, 65,716.64 and 27,480.80

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Solution

The fourth proportional to 47,623.08, 65,716.64 and 27,480.80 is: 37,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.08 : 65,716.64 = 27,480.80 : x
  2. Step 2: Convert to fraction form
    47,623.08/65,716.64 = 27,480.80/x
  3. Step 3: Cross multiply
    47,623.08x = 65,716.64 × 27,480.80
  4. Step 4: Simplify right side
    47,623.08x = 1,805,945,840.51
  5. Step 5: Solve for x
    x = 1,805,945,840.51/47,623.08
  6. Step 6: Final answer
    x = 37,921.65

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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.