Home / 53,129.27-73,319.31-29,255.42

Finding the Fourth Proportional to 53,129.27, 73,319.31 and 29,255.42

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Solution

The fourth proportional to 53,129.27, 73,319.31 and 29,255.42 is: 40,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.27 : 73,319.31 = 29,255.42 : x
  2. Step 2: Convert to fraction form
    53,129.27/73,319.31 = 29,255.42/x
  3. Step 3: Cross multiply
    53,129.27x = 73,319.31 × 29,255.42
  4. Step 4: Simplify right side
    53,129.27x = 2,144,987,391.46
  5. Step 5: Solve for x
    x = 2,144,987,391.46/53,129.27
  6. Step 6: Final answer
    x = 40,372.99

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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.