Home / 71,180.06-98,223.60-39,344.60

Finding the Fourth Proportional to 71,180.06, 98,223.60 and 39,344.60

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Solution

The fourth proportional to 71,180.06, 98,223.60 and 39,344.60 is: 54,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,180.06 : 98,223.60 = 39,344.60 : x
  2. Step 2: Convert to fraction form
    71,180.06/98,223.60 = 39,344.60/x
  3. Step 3: Cross multiply
    71,180.06x = 98,223.60 × 39,344.60
  4. Step 4: Simplify right side
    71,180.06x = 3,864,568,252.56
  5. Step 5: Solve for x
    x = 3,864,568,252.56/71,180.06
  6. Step 6: Final answer
    x = 54,292.85

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1.5x scale

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.