Home / 65,949.16-91,010.20-35,734.50

Finding the Fourth Proportional to 65,949.16, 91,010.20 and 35,734.50

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Solution

The fourth proportional to 65,949.16, 91,010.20 and 35,734.50 is: 49,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949.16 : 91,010.20 = 35,734.50 : x
  2. Step 2: Convert to fraction form
    65,949.16/91,010.20 = 35,734.50/x
  3. Step 3: Cross multiply
    65,949.16x = 91,010.20 × 35,734.50
  4. Step 4: Simplify right side
    65,949.16x = 3,252,203,991.90
  5. Step 5: Solve for x
    x = 3,252,203,991.90/65,949.16
  6. Step 6: Final answer
    x = 49,313.80

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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.