Home / 104,768.12-144,568.14-61,744.96

Finding the Fourth Proportional to 104,768.12, 144,568.14 and 61,744.96

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Solution

The fourth proportional to 104,768.12, 144,568.14 and 61,744.96 is: 85,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,768.12 : 144,568.14 = 61,744.96 : x
  2. Step 2: Convert to fraction form
    104,768.12/144,568.14 = 61,744.96/x
  3. Step 3: Cross multiply
    104,768.12x = 144,568.14 × 61,744.96
  4. Step 4: Simplify right side
    104,768.12x = 8,926,354,021.57
  5. Step 5: Solve for x
    x = 8,926,354,021.57/104,768.12
  6. Step 6: Final answer
    x = 85,201.05

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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.