Home / 57,142.94-78,862.01-33,268.19

Finding the Fourth Proportional to 57,142.94, 78,862.01 and 33,268.19

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Solution

The fourth proportional to 57,142.94, 78,862.01 and 33,268.19 is: 45,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,142.94 : 78,862.01 = 33,268.19 : x
  2. Step 2: Convert to fraction form
    57,142.94/78,862.01 = 33,268.19/x
  3. Step 3: Cross multiply
    57,142.94x = 78,862.01 × 33,268.19
  4. Step 4: Simplify right side
    57,142.94x = 2,623,595,771.81
  5. Step 5: Solve for x
    x = 2,623,595,771.81/57,142.94
  6. Step 6: Final answer
    x = 45,912.86

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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.