Home / 91,879.08-126,794.46-51,601.56

Finding the Fourth Proportional to 91,879.08, 126,794.46 and 51,601.56

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Solution

The fourth proportional to 91,879.08, 126,794.46 and 51,601.56 is: 71,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,879.08 : 126,794.46 = 51,601.56 : x
  2. Step 2: Convert to fraction form
    91,879.08/126,794.46 = 51,601.56/x
  3. Step 3: Cross multiply
    91,879.08x = 126,794.46 × 51,601.56
  4. Step 4: Simplify right side
    91,879.08x = 6,542,791,935.36
  5. Step 5: Solve for x
    x = 6,542,791,935.36/91,879.08
  6. Step 6: Final answer
    x = 71,210.90

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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.