Home / 51,965.12-71,694.86-31,800.98

Finding the Fourth Proportional to 51,965.12, 71,694.86 and 31,800.98

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Solution

The fourth proportional to 51,965.12, 71,694.86 and 31,800.98 is: 43,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,965.12 : 71,694.86 = 31,800.98 : x
  2. Step 2: Convert to fraction form
    51,965.12/71,694.86 = 31,800.98/x
  3. Step 3: Cross multiply
    51,965.12x = 71,694.86 × 31,800.98
  4. Step 4: Simplify right side
    51,965.12x = 2,279,966,808.96
  5. Step 5: Solve for x
    x = 2,279,966,808.96/51,965.12
  6. Step 6: Final answer
    x = 43,874.95

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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.