Home / 80,625.94-111,313.62-51,955.72

Finding the Fourth Proportional to 80,625.94, 111,313.62 and 51,955.72

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Solution

The fourth proportional to 80,625.94, 111,313.62 and 51,955.72 is: 71,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,625.94 : 111,313.62 = 51,955.72 : x
  2. Step 2: Convert to fraction form
    80,625.94/111,313.62 = 51,955.72/x
  3. Step 3: Cross multiply
    80,625.94x = 111,313.62 × 51,955.72
  4. Step 4: Simplify right side
    80,625.94x = 5,783,379,272.91
  5. Step 5: Solve for x
    x = 5,783,379,272.91/80,625.94
  6. Step 6: Final answer
    x = 71,731.00

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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.