Home / 76,183.37-105,139.02-43,928.36

Finding the Fourth Proportional to 76,183.37, 105,139.02 and 43,928.36

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Solution

The fourth proportional to 76,183.37, 105,139.02 and 43,928.36 is: 60,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,183.37 : 105,139.02 = 43,928.36 : x
  2. Step 2: Convert to fraction form
    76,183.37/105,139.02 = 43,928.36/x
  3. Step 3: Cross multiply
    76,183.37x = 105,139.02 × 43,928.36
  4. Step 4: Simplify right side
    76,183.37x = 4,618,584,720.61
  5. Step 5: Solve for x
    x = 4,618,584,720.61/76,183.37
  6. Step 6: Final answer
    x = 60,624.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.