Home / 65,821.14-90,832.86-35,606.52

Finding the Fourth Proportional to 65,821.14, 90,832.86 and 35,606.52

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Solution

The fourth proportional to 65,821.14, 90,832.86 and 35,606.52 is: 49,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,821.14 : 90,832.86 = 35,606.52 : x
  2. Step 2: Convert to fraction form
    65,821.14/90,832.86 = 35,606.52/x
  3. Step 3: Cross multiply
    65,821.14x = 90,832.86 × 35,606.52
  4. Step 4: Simplify right side
    65,821.14x = 3,234,242,046.25
  5. Step 5: Solve for x
    x = 3,234,242,046.25/65,821.14
  6. Step 6: Final answer
    x = 49,136.83

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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.