Home / 45,106.96-67,653.72-11,827.60

Finding the Fourth Proportional to 45,106.96, 67,653.72 and 11,827.60

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Solution

The fourth proportional to 45,106.96, 67,653.72 and 11,827.60 is: 17,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,106.96 : 67,653.72 = 11,827.60 : x
  2. Step 2: Convert to fraction form
    45,106.96/67,653.72 = 11,827.60/x
  3. Step 3: Cross multiply
    45,106.96x = 67,653.72 × 11,827.60
  4. Step 4: Simplify right side
    45,106.96x = 800,181,138.67
  5. Step 5: Solve for x
    x = 800,181,138.67/45,106.96
  6. Step 6: Final answer
    x = 17,739.64

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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.