Home / 69,664.35-96,136.77-39,449.67

Finding the Fourth Proportional to 69,664.35, 96,136.77 and 39,449.67

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Solution

The fourth proportional to 69,664.35, 96,136.77 and 39,449.67 is: 54,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,664.35 : 96,136.77 = 39,449.67 : x
  2. Step 2: Convert to fraction form
    69,664.35/96,136.77 = 39,449.67/x
  3. Step 3: Cross multiply
    69,664.35x = 96,136.77 × 39,449.67
  4. Step 4: Simplify right side
    69,664.35x = 3,792,563,851.37
  5. Step 5: Solve for x
    x = 3,792,563,851.37/69,664.35
  6. Step 6: Final answer
    x = 54,440.53

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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.