Home / 57,105.95-78,822.05-33,237.23

Finding the Fourth Proportional to 57,105.95, 78,822.05 and 33,237.23

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Solution

The fourth proportional to 57,105.95, 78,822.05 and 33,237.23 is: 45,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,105.95 : 78,822.05 = 33,237.23 : x
  2. Step 2: Convert to fraction form
    57,105.95/78,822.05 = 33,237.23/x
  3. Step 3: Cross multiply
    57,105.95x = 78,822.05 × 33,237.23
  4. Step 4: Simplify right side
    57,105.95x = 2,619,826,044.63
  5. Step 5: Solve for x
    x = 2,619,826,044.63/57,105.95
  6. Step 6: Final answer
    x = 45,876.59

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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.