Home / 70,914.21-106,408.37-45,947.80

Finding the Fourth Proportional to 70,914.21, 106,408.37 and 45,947.80

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Solution

The fourth proportional to 70,914.21, 106,408.37 and 45,947.80 is: 68,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,914.21 : 106,408.37 = 45,947.80 : x
  2. Step 2: Convert to fraction form
    70,914.21/106,408.37 = 45,947.80/x
  3. Step 3: Cross multiply
    70,914.21x = 106,408.37 × 45,947.80
  4. Step 4: Simplify right side
    70,914.21x = 4,889,230,503.09
  5. Step 5: Solve for x
    x = 4,889,230,503.09/70,914.21
  6. Step 6: Final answer
    x = 68,945.71

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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.