Home / 104,316.33-143,954.73-58,992.78

Finding the Fourth Proportional to 104,316.33, 143,954.73 and 58,992.78

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Solution

The fourth proportional to 104,316.33, 143,954.73 and 58,992.78 is: 81,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,316.33 : 143,954.73 = 58,992.78 : x
  2. Step 2: Convert to fraction form
    104,316.33/143,954.73 = 58,992.78/x
  3. Step 3: Cross multiply
    104,316.33x = 143,954.73 × 58,992.78
  4. Step 4: Simplify right side
    104,316.33x = 8,492,289,716.85
  5. Step 5: Solve for x
    x = 8,492,289,716.85/104,316.33
  6. Step 6: Final answer
    x = 81,409.02

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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.