Home / 104,165.78-143,748.07-58,858.43

Finding the Fourth Proportional to 104,165.78, 143,748.07 and 58,858.43

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Solution

The fourth proportional to 104,165.78, 143,748.07 and 58,858.43 is: 81,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,165.78 : 143,748.07 = 58,858.43 : x
  2. Step 2: Convert to fraction form
    104,165.78/143,748.07 = 58,858.43/x
  3. Step 3: Cross multiply
    104,165.78x = 143,748.07 × 58,858.43
  4. Step 4: Simplify right side
    104,165.78x = 8,460,784,849.84
  5. Step 5: Solve for x
    x = 8,460,784,849.84/104,165.78
  6. Step 6: Final answer
    x = 81,224.23

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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.