Home / 90,982.43-125,554.08-50,695.33

Finding the Fourth Proportional to 90,982.43, 125,554.08 and 50,695.33

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Solution

The fourth proportional to 90,982.43, 125,554.08 and 50,695.33 is: 69,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,982.43 : 125,554.08 = 50,695.33 : x
  2. Step 2: Convert to fraction form
    90,982.43/125,554.08 = 50,695.33/x
  3. Step 3: Cross multiply
    90,982.43x = 125,554.08 × 50,695.33
  4. Step 4: Simplify right side
    90,982.43x = 6,365,005,518.45
  5. Step 5: Solve for x
    x = 6,365,005,518.45/90,982.43
  6. Step 6: Final answer
    x = 69,958.62

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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.