Home / 79,755.03-119,643.48-35,380.80

Finding the Fourth Proportional to 79,755.03, 119,643.48 and 35,380.80

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Solution

The fourth proportional to 79,755.03, 119,643.48 and 35,380.80 is: 53,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,755.03 : 119,643.48 = 35,380.80 : x
  2. Step 2: Convert to fraction form
    79,755.03/119,643.48 = 35,380.80/x
  3. Step 3: Cross multiply
    79,755.03x = 119,643.48 × 35,380.80
  4. Step 4: Simplify right side
    79,755.03x = 4,233,082,037.18
  5. Step 5: Solve for x
    x = 4,233,082,037.18/79,755.03
  6. Step 6: Final answer
    x = 53,076.05

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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.