Home / 45,349.02-68,023.44-12,069.09

Finding the Fourth Proportional to 45,349.02, 68,023.44 and 12,069.09

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Solution

The fourth proportional to 45,349.02, 68,023.44 and 12,069.09 is: 18,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.02 : 68,023.44 = 12,069.09 : x
  2. Step 2: Convert to fraction form
    45,349.02/68,023.44 = 12,069.09/x
  3. Step 3: Cross multiply
    45,349.02x = 68,023.44 × 12,069.09
  4. Step 4: Simplify right side
    45,349.02x = 820,981,019.47
  5. Step 5: Solve for x
    x = 820,981,019.47/45,349.02
  6. Step 6: Final answer
    x = 18,103.61

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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.