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Finding the Fourth Proportional to 65,940.53, 98,752.74 and 33,835.11

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Solution

The fourth proportional to 65,940.53, 98,752.74 and 33,835.11 is: 50,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,940.53 : 98,752.74 = 33,835.11 : x
  2. Step 2: Convert to fraction form
    65,940.53/98,752.74 = 33,835.11/x
  3. Step 3: Cross multiply
    65,940.53x = 98,752.74 × 33,835.11
  4. Step 4: Simplify right side
    65,940.53x = 3,341,309,912.04
  5. Step 5: Solve for x
    x = 3,341,309,912.04/65,940.53
  6. Step 6: Final answer
    x = 50,671.57

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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.