Home / 71,568.50-98,760.66-39,735.35

Finding the Fourth Proportional to 71,568.50, 98,760.66 and 39,735.35

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Solution

The fourth proportional to 71,568.50, 98,760.66 and 39,735.35 is: 54,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568.50 : 98,760.66 = 39,735.35 : x
  2. Step 2: Convert to fraction form
    71,568.50/98,760.66 = 39,735.35/x
  3. Step 3: Cross multiply
    71,568.50x = 98,760.66 × 39,735.35
  4. Step 4: Simplify right side
    71,568.50x = 3,924,289,391.33
  5. Step 5: Solve for x
    x = 3,924,289,391.33/71,568.50
  6. Step 6: Final answer
    x = 54,832.63

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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.