Home / 70,665.44-105,997.08-18,074.48

Finding the Fourth Proportional to 70,665.44, 105,997.08 and 18,074.48

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Solution

The fourth proportional to 70,665.44, 105,997.08 and 18,074.48 is: 27,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,665.44 : 105,997.08 = 18,074.48 : x
  2. Step 2: Convert to fraction form
    70,665.44/105,997.08 = 18,074.48/x
  3. Step 3: Cross multiply
    70,665.44x = 105,997.08 × 18,074.48
  4. Step 4: Simplify right side
    70,665.44x = 1,915,842,102.52
  5. Step 5: Solve for x
    x = 1,915,842,102.52/70,665.44
  6. Step 6: Final answer
    x = 27,111.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.