Home / 90,954.05-125,520.37-50,667.81

Finding the Fourth Proportional to 90,954.05, 125,520.37 and 50,667.81

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Solution

The fourth proportional to 90,954.05, 125,520.37 and 50,667.81 is: 69,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,954.05 : 125,520.37 = 50,667.81 : x
  2. Step 2: Convert to fraction form
    90,954.05/125,520.37 = 50,667.81/x
  3. Step 3: Cross multiply
    90,954.05x = 125,520.37 × 50,667.81
  4. Step 4: Simplify right side
    90,954.05x = 6,359,842,258.29
  5. Step 5: Solve for x
    x = 6,359,842,258.29/90,954.05
  6. Step 6: Final answer
    x = 69,923.68

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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.