Home / 45,945.99-68,907.60-12,664.44

Finding the Fourth Proportional to 45,945.99, 68,907.60 and 12,664.44

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Solution

The fourth proportional to 45,945.99, 68,907.60 and 12,664.44 is: 18,993.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,945.99 : 68,907.60 = 12,664.44 : x
  2. Step 2: Convert to fraction form
    45,945.99/68,907.60 = 12,664.44/x
  3. Step 3: Cross multiply
    45,945.99x = 68,907.60 × 12,664.44
  4. Step 4: Simplify right side
    45,945.99x = 872,676,165.74
  5. Step 5: Solve for x
    x = 872,676,165.74/45,945.99
  6. Step 6: Final answer
    x = 18,993.52

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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.