Home / 71,035.38-98,028.16-39,203.60

Finding the Fourth Proportional to 71,035.38, 98,028.16 and 39,203.60

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Solution

The fourth proportional to 71,035.38, 98,028.16 and 39,203.60 is: 54,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,035.38 : 98,028.16 = 39,203.60 : x
  2. Step 2: Convert to fraction form
    71,035.38/98,028.16 = 39,203.60/x
  3. Step 3: Cross multiply
    71,035.38x = 98,028.16 × 39,203.60
  4. Step 4: Simplify right side
    71,035.38x = 3,843,056,185.23
  5. Step 5: Solve for x
    x = 3,843,056,185.23/71,035.38
  6. Step 6: Final answer
    x = 54,100.59

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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.