Home / 65,914.36-90,961.99-35,699.74

Finding the Fourth Proportional to 65,914.36, 90,961.99 and 35,699.74

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Solution

The fourth proportional to 65,914.36, 90,961.99 and 35,699.74 is: 49,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,914.36 : 90,961.99 = 35,699.74 : x
  2. Step 2: Convert to fraction form
    65,914.36/90,961.99 = 35,699.74/x
  3. Step 3: Cross multiply
    65,914.36x = 90,961.99 × 35,699.74
  4. Step 4: Simplify right side
    65,914.36x = 3,247,319,076.23
  5. Step 5: Solve for x
    x = 3,247,319,076.23/65,914.36
  6. Step 6: Final answer
    x = 49,265.73

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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.