Home / 71,683.30-98,922.36-39,851.92

Finding the Fourth Proportional to 71,683.30, 98,922.36 and 39,851.92

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Solution

The fourth proportional to 71,683.30, 98,922.36 and 39,851.92 is: 54,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,683.30 : 98,922.36 = 39,851.92 : x
  2. Step 2: Convert to fraction form
    71,683.30/98,922.36 = 39,851.92/x
  3. Step 3: Cross multiply
    71,683.30x = 98,922.36 × 39,851.92
  4. Step 4: Simplify right side
    71,683.30x = 3,942,245,976.93
  5. Step 5: Solve for x
    x = 3,942,245,976.93/71,683.30
  6. Step 6: Final answer
    x = 54,995.32

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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.