Home / 74,513.51-111,819.50-35,081.90

Finding the Fourth Proportional to 74,513.51, 111,819.50 and 35,081.90

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Solution

The fourth proportional to 74,513.51, 111,819.50 and 35,081.90 is: 52,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,513.51 : 111,819.50 = 35,081.90 : x
  2. Step 2: Convert to fraction form
    74,513.51/111,819.50 = 35,081.90/x
  3. Step 3: Cross multiply
    74,513.51x = 111,819.50 × 35,081.90
  4. Step 4: Simplify right side
    74,513.51x = 3,922,840,517.05
  5. Step 5: Solve for x
    x = 3,922,840,517.05/74,513.51
  6. Step 6: Final answer
    x = 52,646.03

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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.