Home / 75,321.70-112,986.87-22,736.50

Finding the Fourth Proportional to 75,321.70, 112,986.87 and 22,736.50

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Solution

The fourth proportional to 75,321.70, 112,986.87 and 22,736.50 is: 34,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,321.70 : 112,986.87 = 22,736.50 : x
  2. Step 2: Convert to fraction form
    75,321.70/112,986.87 = 22,736.50/x
  3. Step 3: Cross multiply
    75,321.70x = 112,986.87 × 22,736.50
  4. Step 4: Simplify right side
    75,321.70x = 2,568,925,969.76
  5. Step 5: Solve for x
    x = 2,568,925,969.76/75,321.70
  6. Step 6: Final answer
    x = 34,106.05

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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.