Home / 104,213.64-143,812.94-58,890.65

Finding the Fourth Proportional to 104,213.64, 143,812.94 and 58,890.65

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Solution

The fourth proportional to 104,213.64, 143,812.94 and 58,890.65 is: 81,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,213.64 : 143,812.94 = 58,890.65 : x
  2. Step 2: Convert to fraction form
    104,213.64/143,812.94 = 58,890.65/x
  3. Step 3: Cross multiply
    104,213.64x = 143,812.94 × 58,890.65
  4. Step 4: Simplify right side
    104,213.64x = 8,469,236,501.49
  5. Step 5: Solve for x
    x = 8,469,236,501.49/104,213.64
  6. Step 6: Final answer
    x = 81,268.02

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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.