Home / 90,049.24-124,268.22-49,762.84

Finding the Fourth Proportional to 90,049.24, 124,268.22 and 49,762.84

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Solution

The fourth proportional to 90,049.24, 124,268.22 and 49,762.84 is: 68,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,049.24 : 124,268.22 = 49,762.84 : x
  2. Step 2: Convert to fraction form
    90,049.24/124,268.22 = 49,762.84/x
  3. Step 3: Cross multiply
    90,049.24x = 124,268.22 × 49,762.84
  4. Step 4: Simplify right side
    90,049.24x = 6,183,939,548.94
  5. Step 5: Solve for x
    x = 6,183,939,548.94/90,049.24
  6. Step 6: Final answer
    x = 68,672.87

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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.