Home / 91,017.43-125,608.37-50,731.49

Finding the Fourth Proportional to 91,017.43, 125,608.37 and 50,731.49

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Solution

The fourth proportional to 91,017.43, 125,608.37 and 50,731.49 is: 70,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,017.43 : 125,608.37 = 50,731.49 : x
  2. Step 2: Convert to fraction form
    91,017.43/125,608.37 = 50,731.49/x
  3. Step 3: Cross multiply
    91,017.43x = 125,608.37 × 50,731.49
  4. Step 4: Simplify right side
    91,017.43x = 6,372,299,766.57
  5. Step 5: Solve for x
    x = 6,372,299,766.57/91,017.43
  6. Step 6: Final answer
    x = 70,011.86

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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.