Home / 51,964.94-71,695.30-31,800.80

Finding the Fourth Proportional to 51,964.94, 71,695.30 and 31,800.80

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Solution

The fourth proportional to 51,964.94, 71,695.30 and 31,800.80 is: 43,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,964.94 : 71,695.30 = 31,800.80 : x
  2. Step 2: Convert to fraction form
    51,964.94/71,695.30 = 31,800.80/x
  3. Step 3: Cross multiply
    51,964.94x = 71,695.30 × 31,800.80
  4. Step 4: Simplify right side
    51,964.94x = 2,279,967,896.24
  5. Step 5: Solve for x
    x = 2,279,967,896.24/51,964.94
  6. Step 6: Final answer
    x = 43,875.12

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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.