Home / 53,716.72-74,128.96-29,845.60

Finding the Fourth Proportional to 53,716.72, 74,128.96 and 29,845.60

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Solution

The fourth proportional to 53,716.72, 74,128.96 and 29,845.60 is: 41,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.72 : 74,128.96 = 29,845.60 : x
  2. Step 2: Convert to fraction form
    53,716.72/74,128.96 = 29,845.60/x
  3. Step 3: Cross multiply
    53,716.72x = 74,128.96 × 29,845.60
  4. Step 4: Simplify right side
    53,716.72x = 2,212,423,288.58
  5. Step 5: Solve for x
    x = 2,212,423,288.58/53,716.72
  6. Step 6: Final answer
    x = 41,186.86

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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.