Home / 45,871.12-68,814.37-14,273.75

Finding the Fourth Proportional to 45,871.12, 68,814.37 and 14,273.75

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Solution

The fourth proportional to 45,871.12, 68,814.37 and 14,273.75 is: 21,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,871.12 : 68,814.37 = 14,273.75 : x
  2. Step 2: Convert to fraction form
    45,871.12/68,814.37 = 14,273.75/x
  3. Step 3: Cross multiply
    45,871.12x = 68,814.37 × 14,273.75
  4. Step 4: Simplify right side
    45,871.12x = 982,239,042.42
  5. Step 5: Solve for x
    x = 982,239,042.42/45,871.12
  6. Step 6: Final answer
    x = 21,413.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.