Home / 91,258.08-125,936.67-50,973.54

Finding the Fourth Proportional to 91,258.08, 125,936.67 and 50,973.54

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Solution

The fourth proportional to 91,258.08, 125,936.67 and 50,973.54 is: 70,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,258.08 : 125,936.67 = 50,973.54 : x
  2. Step 2: Convert to fraction form
    91,258.08/125,936.67 = 50,973.54/x
  3. Step 3: Cross multiply
    91,258.08x = 125,936.67 × 50,973.54
  4. Step 4: Simplify right side
    91,258.08x = 6,419,437,604.60
  5. Step 5: Solve for x
    x = 6,419,437,604.60/91,258.08
  6. Step 6: Final answer
    x = 70,343.78

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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.