Home / 53,640.21-74,024.30-29,768.43

Finding the Fourth Proportional to 53,640.21, 74,024.30 and 29,768.43

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Solution

The fourth proportional to 53,640.21, 74,024.30 and 29,768.43 is: 41,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.21 : 74,024.30 = 29,768.43 : x
  2. Step 2: Convert to fraction form
    53,640.21/74,024.30 = 29,768.43/x
  3. Step 3: Cross multiply
    53,640.21x = 74,024.30 × 29,768.43
  4. Step 4: Simplify right side
    53,640.21x = 2,203,587,044.01
  5. Step 5: Solve for x
    x = 2,203,587,044.01/53,640.21
  6. Step 6: Final answer
    x = 41,080.88

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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.