Home / 45,277.06-67,919.34-14,112.31

Finding the Fourth Proportional to 45,277.06, 67,919.34 and 14,112.31

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Solution

The fourth proportional to 45,277.06, 67,919.34 and 14,112.31 is: 21,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,277.06 : 67,919.34 = 14,112.31 : x
  2. Step 2: Convert to fraction form
    45,277.06/67,919.34 = 14,112.31/x
  3. Step 3: Cross multiply
    45,277.06x = 67,919.34 × 14,112.31
  4. Step 4: Simplify right side
    45,277.06x = 958,498,781.08
  5. Step 5: Solve for x
    x = 958,498,781.08/45,277.06
  6. Step 6: Final answer
    x = 21,169.63

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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.