Home / 54,143.21-81,205.49-14,703.50

Finding the Fourth Proportional to 54,143.21, 81,205.49 and 14,703.50

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Solution

The fourth proportional to 54,143.21, 81,205.49 and 14,703.50 is: 22,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,143.21 : 81,205.49 = 14,703.50 : x
  2. Step 2: Convert to fraction form
    54,143.21/81,205.49 = 14,703.50/x
  3. Step 3: Cross multiply
    54,143.21x = 81,205.49 × 14,703.50
  4. Step 4: Simplify right side
    54,143.21x = 1,194,004,552.95
  5. Step 5: Solve for x
    x = 1,194,004,552.95/54,143.21
  6. Step 6: Final answer
    x = 22,052.71

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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.