Home / 53,129.12-73,317.98-29,255.80

Finding the Fourth Proportional to 53,129.12, 73,317.98 and 29,255.80

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Solution

The fourth proportional to 53,129.12, 73,317.98 and 29,255.80 is: 40,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.12 : 73,317.98 = 29,255.80 : x
  2. Step 2: Convert to fraction form
    53,129.12/73,317.98 = 29,255.80/x
  3. Step 3: Cross multiply
    53,129.12x = 73,317.98 × 29,255.80
  4. Step 4: Simplify right side
    53,129.12x = 2,144,975,774.44
  5. Step 5: Solve for x
    x = 2,144,975,774.44/53,129.12
  6. Step 6: Final answer
    x = 40,372.88

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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.