Home / 90,860.27-125,391.29-50,576.60

Finding the Fourth Proportional to 90,860.27, 125,391.29 and 50,576.60

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Solution

The fourth proportional to 90,860.27, 125,391.29 and 50,576.60 is: 69,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,860.27 : 125,391.29 = 50,576.60 : x
  2. Step 2: Convert to fraction form
    90,860.27/125,391.29 = 50,576.60/x
  3. Step 3: Cross multiply
    90,860.27x = 125,391.29 × 50,576.60
  4. Step 4: Simplify right side
    90,860.27x = 6,341,864,237.97
  5. Step 5: Solve for x
    x = 6,341,864,237.97/90,860.27
  6. Step 6: Final answer
    x = 69,797.99

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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.