Home / 53,729.93-74,149.83-29,856.80

Finding the Fourth Proportional to 53,729.93, 74,149.83 and 29,856.80

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Solution

The fourth proportional to 53,729.93, 74,149.83 and 29,856.80 is: 41,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,729.93 : 74,149.83 = 29,856.80 : x
  2. Step 2: Convert to fraction form
    53,729.93/74,149.83 = 29,856.80/x
  3. Step 3: Cross multiply
    53,729.93x = 74,149.83 × 29,856.80
  4. Step 4: Simplify right side
    53,729.93x = 2,213,876,829.72
  5. Step 5: Solve for x
    x = 2,213,876,829.72/53,729.93
  6. Step 6: Final answer
    x = 41,203.79

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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.