Home / 75,980.12-104,755.11-52,065.27

Finding the Fourth Proportional to 75,980.12, 104,755.11 and 52,065.27

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Solution

The fourth proportional to 75,980.12, 104,755.11 and 52,065.27 is: 71,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,980.12 : 104,755.11 = 52,065.27 : x
  2. Step 2: Convert to fraction form
    75,980.12/104,755.11 = 52,065.27/x
  3. Step 3: Cross multiply
    75,980.12x = 104,755.11 × 52,065.27
  4. Step 4: Simplify right side
    75,980.12x = 5,454,103,086.03
  5. Step 5: Solve for x
    x = 5,454,103,086.03/75,980.12
  6. Step 6: Final answer
    x = 71,783.30

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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.