Home / 91,207.85-125,858.55-50,914.20

Finding the Fourth Proportional to 91,207.85, 125,858.55 and 50,914.20

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Solution

The fourth proportional to 91,207.85, 125,858.55 and 50,914.20 is: 70,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,207.85 : 125,858.55 = 50,914.20 : x
  2. Step 2: Convert to fraction form
    91,207.85/125,858.55 = 50,914.20/x
  3. Step 3: Cross multiply
    91,207.85x = 125,858.55 × 50,914.20
  4. Step 4: Simplify right side
    91,207.85x = 6,407,986,629.39
  5. Step 5: Solve for x
    x = 6,407,986,629.39/91,207.85
  6. Step 6: Final answer
    x = 70,256.97

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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.