Home / 52,755.30-79,120.53-15,305.49

Finding the Fourth Proportional to 52,755.30, 79,120.53 and 15,305.49

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Solution

The fourth proportional to 52,755.30, 79,120.53 and 15,305.49 is: 22,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,755.30 : 79,120.53 = 15,305.49 : x
  2. Step 2: Convert to fraction form
    52,755.30/79,120.53 = 15,305.49/x
  3. Step 3: Cross multiply
    52,755.30x = 79,120.53 × 15,305.49
  4. Step 4: Simplify right side
    52,755.30x = 1,210,978,480.71
  5. Step 5: Solve for x
    x = 1,210,978,480.71/52,755.30
  6. Step 6: Final answer
    x = 22,954.63

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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.