Home / 49,408.19-74,112.45-11,968.17

Finding the Fourth Proportional to 49,408.19, 74,112.45 and 11,968.17

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Solution

The fourth proportional to 49,408.19, 74,112.45 and 11,968.17 is: 17,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408.19 : 74,112.45 = 11,968.17 : x
  2. Step 2: Convert to fraction form
    49,408.19/74,112.45 = 11,968.17/x
  3. Step 3: Cross multiply
    49,408.19x = 74,112.45 × 11,968.17
  4. Step 4: Simplify right side
    49,408.19x = 886,990,562.12
  5. Step 5: Solve for x
    x = 886,990,562.12/49,408.19
  6. Step 6: Final answer
    x = 17,952.30

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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.