Home / 65,163.42-89,922.96-36,868.50

Finding the Fourth Proportional to 65,163.42, 89,922.96 and 36,868.50

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Solution

The fourth proportional to 65,163.42, 89,922.96 and 36,868.50 is: 50,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,163.42 : 89,922.96 = 36,868.50 : x
  2. Step 2: Convert to fraction form
    65,163.42/89,922.96 = 36,868.50/x
  3. Step 3: Cross multiply
    65,163.42x = 89,922.96 × 36,868.50
  4. Step 4: Simplify right side
    65,163.42x = 3,315,324,650.76
  5. Step 5: Solve for x
    x = 3,315,324,650.76/65,163.42
  6. Step 6: Final answer
    x = 50,877.08

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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.