Home / 105,993.73-146,268.30-58,247.02

Finding the Fourth Proportional to 105,993.73, 146,268.30 and 58,247.02

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Solution

The fourth proportional to 105,993.73, 146,268.30 and 58,247.02 is: 80,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,993.73 : 146,268.30 = 58,247.02 : x
  2. Step 2: Convert to fraction form
    105,993.73/146,268.30 = 58,247.02/x
  3. Step 3: Cross multiply
    105,993.73x = 146,268.30 × 58,247.02
  4. Step 4: Simplify right side
    105,993.73x = 8,519,692,595.47
  5. Step 5: Solve for x
    x = 8,519,692,595.47/105,993.73
  6. Step 6: Final answer
    x = 80,379.21

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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.