Home / 75,929.09-114,010.68-64,236.50

Finding the Fourth Proportional to 75,929.09, 114,010.68 and 64,236.50

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Solution

The fourth proportional to 75,929.09, 114,010.68 and 64,236.50 is: 96,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,929.09 : 114,010.68 = 64,236.50 : x
  2. Step 2: Convert to fraction form
    75,929.09/114,010.68 = 64,236.50/x
  3. Step 3: Cross multiply
    75,929.09x = 114,010.68 × 64,236.50
  4. Step 4: Simplify right side
    75,929.09x = 7,323,647,144.19
  5. Step 5: Solve for x
    x = 7,323,647,144.19/75,929.09
  6. Step 6: Final answer
    x = 96,453.78

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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.