Home / 51,769.06-71,437.32-31,635.70

Finding the Fourth Proportional to 51,769.06, 71,437.32 and 31,635.70

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Solution

The fourth proportional to 51,769.06, 71,437.32 and 31,635.70 is: 43,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769.06 : 71,437.32 = 31,635.70 : x
  2. Step 2: Convert to fraction form
    51,769.06/71,437.32 = 31,635.70/x
  3. Step 3: Cross multiply
    51,769.06x = 71,437.32 × 31,635.70
  4. Step 4: Simplify right side
    51,769.06x = 2,259,969,624.32
  5. Step 5: Solve for x
    x = 2,259,969,624.32/51,769.06
  6. Step 6: Final answer
    x = 43,654.83

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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.