Home / 105,958.46-146,219.24-58,208.82

Finding the Fourth Proportional to 105,958.46, 146,219.24 and 58,208.82

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Solution

The fourth proportional to 105,958.46, 146,219.24 and 58,208.82 is: 80,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,958.46 : 146,219.24 = 58,208.82 : x
  2. Step 2: Convert to fraction form
    105,958.46/146,219.24 = 58,208.82/x
  3. Step 3: Cross multiply
    105,958.46x = 146,219.24 × 58,208.82
  4. Step 4: Simplify right side
    105,958.46x = 8,511,249,421.70
  5. Step 5: Solve for x
    x = 8,511,249,421.70/105,958.46
  6. Step 6: Final answer
    x = 80,326.28

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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.