Home / 53,299.82-79,933.70-43,916.58

Finding the Fourth Proportional to 53,299.82, 79,933.70 and 43,916.58

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Solution

The fourth proportional to 53,299.82, 79,933.70 and 43,916.58 is: 65,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299.82 : 79,933.70 = 43,916.58 : x
  2. Step 2: Convert to fraction form
    53,299.82/79,933.70 = 43,916.58/x
  3. Step 3: Cross multiply
    53,299.82x = 79,933.70 × 43,916.58
  4. Step 4: Simplify right side
    53,299.82x = 3,510,414,840.54
  5. Step 5: Solve for x
    x = 3,510,414,840.54/53,299.82
  6. Step 6: Final answer
    x = 65,861.66

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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.