Home / 75,624.36-113,311.73-43,945.49

Finding the Fourth Proportional to 75,624.36, 113,311.73 and 43,945.49

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Solution

The fourth proportional to 75,624.36, 113,311.73 and 43,945.49 is: 65,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,624.36 : 113,311.73 = 43,945.49 : x
  2. Step 2: Convert to fraction form
    75,624.36/113,311.73 = 43,945.49/x
  3. Step 3: Cross multiply
    75,624.36x = 113,311.73 × 43,945.49
  4. Step 4: Simplify right side
    75,624.36x = 4,979,539,561.15
  5. Step 5: Solve for x
    x = 4,979,539,561.15/75,624.36
  6. Step 6: Final answer
    x = 65,845.71

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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.