Home / 45,815.11-68,733.42-14,223.56

Finding the Fourth Proportional to 45,815.11, 68,733.42 and 14,223.56

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Solution

The fourth proportional to 45,815.11, 68,733.42 and 14,223.56 is: 21,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.11 : 68,733.42 = 14,223.56 : x
  2. Step 2: Convert to fraction form
    45,815.11/68,733.42 = 14,223.56/x
  3. Step 3: Cross multiply
    45,815.11x = 68,733.42 × 14,223.56
  4. Step 4: Simplify right side
    45,815.11x = 977,633,751.54
  5. Step 5: Solve for x
    x = 977,633,751.54/45,815.11
  6. Step 6: Final answer
    x = 21,338.68

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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.