Home / 71,028.68-98,019.36-39,197.30

Finding the Fourth Proportional to 71,028.68, 98,019.36 and 39,197.30

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Solution

The fourth proportional to 71,028.68, 98,019.36 and 39,197.30 is: 54,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.68 : 98,019.36 = 39,197.30 : x
  2. Step 2: Convert to fraction form
    71,028.68/98,019.36 = 39,197.30/x
  3. Step 3: Cross multiply
    71,028.68x = 98,019.36 × 39,197.30
  4. Step 4: Simplify right side
    71,028.68x = 3,842,094,259.73
  5. Step 5: Solve for x
    x = 3,842,094,259.73/71,028.68
  6. Step 6: Final answer
    x = 54,092.15

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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.