Home / 91,230.09-125,896.34-50,944.56

Finding the Fourth Proportional to 91,230.09, 125,896.34 and 50,944.56

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Solution

The fourth proportional to 91,230.09, 125,896.34 and 50,944.56 is: 70,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,230.09 : 125,896.34 = 50,944.56 : x
  2. Step 2: Convert to fraction form
    91,230.09/125,896.34 = 50,944.56/x
  3. Step 3: Cross multiply
    91,230.09x = 125,896.34 × 50,944.56
  4. Step 4: Simplify right side
    91,230.09x = 6,413,733,392.19
  5. Step 5: Solve for x
    x = 6,413,733,392.19/91,230.09
  6. Step 6: Final answer
    x = 70,302.83

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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.