Home / 57,129.63-78,839.73-32,917.25

Finding the Fourth Proportional to 57,129.63, 78,839.73 and 32,917.25

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Solution

The fourth proportional to 57,129.63, 78,839.73 and 32,917.25 is: 45,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,129.63 : 78,839.73 = 32,917.25 : x
  2. Step 2: Convert to fraction form
    57,129.63/78,839.73 = 32,917.25/x
  3. Step 3: Cross multiply
    57,129.63x = 78,839.73 × 32,917.25
  4. Step 4: Simplify right side
    57,129.63x = 2,595,187,102.34
  5. Step 5: Solve for x
    x = 2,595,187,102.34/57,129.63
  6. Step 6: Final answer
    x = 45,426.29

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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.