Home / 65,905.68-90,949.86-36,097.68

Finding the Fourth Proportional to 65,905.68, 90,949.86 and 36,097.68

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Solution

The fourth proportional to 65,905.68, 90,949.86 and 36,097.68 is: 49,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,905.68 : 90,949.86 = 36,097.68 : x
  2. Step 2: Convert to fraction form
    65,905.68/90,949.86 = 36,097.68/x
  3. Step 3: Cross multiply
    65,905.68x = 90,949.86 × 36,097.68
  4. Step 4: Simplify right side
    65,905.68x = 3,283,078,942.32
  5. Step 5: Solve for x
    x = 3,283,078,942.32/65,905.68
  6. Step 6: Final answer
    x = 49,814.81

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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.