Home / 51,720.97-71,370.52-29,058.18

Finding the Fourth Proportional to 51,720.97, 71,370.52 and 29,058.18

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Solution

The fourth proportional to 51,720.97, 71,370.52 and 29,058.18 is: 40,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.97 : 71,370.52 = 29,058.18 : x
  2. Step 2: Convert to fraction form
    51,720.97/71,370.52 = 29,058.18/x
  3. Step 3: Cross multiply
    51,720.97x = 71,370.52 × 29,058.18
  4. Step 4: Simplify right side
    51,720.97x = 2,073,897,344.21
  5. Step 5: Solve for x
    x = 2,073,897,344.21/51,720.97
  6. Step 6: Final answer
    x = 40,097.81

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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.