Home / 52,563.36-78,776.72-27,540.08

Finding the Fourth Proportional to 52,563.36, 78,776.72 and 27,540.08

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Solution

The fourth proportional to 52,563.36, 78,776.72 and 27,540.08 is: 41,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,563.36 : 78,776.72 = 27,540.08 : x
  2. Step 2: Convert to fraction form
    52,563.36/78,776.72 = 27,540.08/x
  3. Step 3: Cross multiply
    52,563.36x = 78,776.72 × 27,540.08
  4. Step 4: Simplify right side
    52,563.36x = 2,169,517,170.94
  5. Step 5: Solve for x
    x = 2,169,517,170.94/52,563.36
  6. Step 6: Final answer
    x = 41,274.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.