Home / 53,429.73-80,114.96-21,861.95

Finding the Fourth Proportional to 53,429.73, 80,114.96 and 21,861.95

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Solution

The fourth proportional to 53,429.73, 80,114.96 and 21,861.95 is: 32,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,429.73 : 80,114.96 = 21,861.95 : x
  2. Step 2: Convert to fraction form
    53,429.73/80,114.96 = 21,861.95/x
  3. Step 3: Cross multiply
    53,429.73x = 80,114.96 × 21,861.95
  4. Step 4: Simplify right side
    53,429.73x = 1,751,468,739.89
  5. Step 5: Solve for x
    x = 1,751,468,739.89/53,429.73
  6. Step 6: Final answer
    x = 32,780.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.