Home / 91,158.24-125,804.69-50,879.86

Finding the Fourth Proportional to 91,158.24, 125,804.69 and 50,879.86

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Solution

The fourth proportional to 91,158.24, 125,804.69 and 50,879.86 is: 70,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,158.24 : 125,804.69 = 50,879.86 : x
  2. Step 2: Convert to fraction form
    91,158.24/125,804.69 = 50,879.86/x
  3. Step 3: Cross multiply
    91,158.24x = 125,804.69 × 50,879.86
  4. Step 4: Simplify right side
    91,158.24x = 6,400,925,014.54
  5. Step 5: Solve for x
    x = 6,400,925,014.54/91,158.24
  6. Step 6: Final answer
    x = 70,217.73

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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.