Home / 103,694.42-143,090.88-58,370.06

Finding the Fourth Proportional to 103,694.42, 143,090.88 and 58,370.06

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Solution

The fourth proportional to 103,694.42, 143,090.88 and 58,370.06 is: 80,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,694.42 : 143,090.88 = 58,370.06 : x
  2. Step 2: Convert to fraction form
    103,694.42/143,090.88 = 58,370.06/x
  3. Step 3: Cross multiply
    103,694.42x = 143,090.88 × 58,370.06
  4. Step 4: Simplify right side
    103,694.42x = 8,352,223,251.05
  5. Step 5: Solve for x
    x = 8,352,223,251.05/103,694.42
  6. Step 6: Final answer
    x = 80,546.51

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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.