Home / 90,667.23-125,119.12-50,380.26

Finding the Fourth Proportional to 90,667.23, 125,119.12 and 50,380.26

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Solution

The fourth proportional to 90,667.23, 125,119.12 and 50,380.26 is: 69,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,667.23 : 125,119.12 = 50,380.26 : x
  2. Step 2: Convert to fraction form
    90,667.23/125,119.12 = 50,380.26/x
  3. Step 3: Cross multiply
    90,667.23x = 125,119.12 × 50,380.26
  4. Step 4: Simplify right side
    90,667.23x = 6,303,533,796.57
  5. Step 5: Solve for x
    x = 6,303,533,796.57/90,667.23
  6. Step 6: Final answer
    x = 69,523.84

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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.