Home / 69,735.40-104,544.32-30,262.78

Finding the Fourth Proportional to 69,735.40, 104,544.32 and 30,262.78

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Solution

The fourth proportional to 69,735.40, 104,544.32 and 30,262.78 is: 45,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,735.40 : 104,544.32 = 30,262.78 : x
  2. Step 2: Convert to fraction form
    69,735.40/104,544.32 = 30,262.78/x
  3. Step 3: Cross multiply
    69,735.40x = 104,544.32 × 30,262.78
  4. Step 4: Simplify right side
    69,735.40x = 3,163,801,756.41
  5. Step 5: Solve for x
    x = 3,163,801,756.41/69,735.40
  6. Step 6: Final answer
    x = 45,368.66

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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.