Home / 90,749.13-125,241.56-50,470.75

Finding the Fourth Proportional to 90,749.13, 125,241.56 and 50,470.75

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Solution

The fourth proportional to 90,749.13, 125,241.56 and 50,470.75 is: 69,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,749.13 : 125,241.56 = 50,470.75 : x
  2. Step 2: Convert to fraction form
    90,749.13/125,241.56 = 50,470.75/x
  3. Step 3: Cross multiply
    90,749.13x = 125,241.56 × 50,470.75
  4. Step 4: Simplify right side
    90,749.13x = 6,321,034,617.35
  5. Step 5: Solve for x
    x = 6,321,034,617.35/90,749.13
  6. Step 6: Final answer
    x = 69,653.94

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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.