Home / 91,783.13-126,667.26-50,949.41

Finding the Fourth Proportional to 91,783.13, 126,667.26 and 50,949.41

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Solution

The fourth proportional to 91,783.13, 126,667.26 and 50,949.41 is: 70,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,783.13 : 126,667.26 = 50,949.41 : x
  2. Step 2: Convert to fraction form
    91,783.13/126,667.26 = 50,949.41/x
  3. Step 3: Cross multiply
    91,783.13x = 126,667.26 × 50,949.41
  4. Step 4: Simplify right side
    91,783.13x = 6,453,621,529.98
  5. Step 5: Solve for x
    x = 6,453,621,529.98/91,783.13
  6. Step 6: Final answer
    x = 70,313.81

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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.