Home / 53,513.94-79,945.46-34,640.22

Finding the Fourth Proportional to 53,513.94, 79,945.46 and 34,640.22

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Solution

The fourth proportional to 53,513.94, 79,945.46 and 34,640.22 is: 51,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,513.94 : 79,945.46 = 34,640.22 : x
  2. Step 2: Convert to fraction form
    53,513.94/79,945.46 = 34,640.22/x
  3. Step 3: Cross multiply
    53,513.94x = 79,945.46 × 34,640.22
  4. Step 4: Simplify right side
    53,513.94x = 2,769,328,149.20
  5. Step 5: Solve for x
    x = 2,769,328,149.20/53,513.94
  6. Step 6: Final answer
    x = 51,749.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.