Home / 53,866.08-74,335.32-29,991.60

Finding the Fourth Proportional to 53,866.08, 74,335.32 and 29,991.60

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Solution

The fourth proportional to 53,866.08, 74,335.32 and 29,991.60 is: 41,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,866.08 : 74,335.32 = 29,991.60 : x
  2. Step 2: Convert to fraction form
    53,866.08/74,335.32 = 29,991.60/x
  3. Step 3: Cross multiply
    53,866.08x = 74,335.32 × 29,991.60
  4. Step 4: Simplify right side
    53,866.08x = 2,229,435,183.31
  5. Step 5: Solve for x
    x = 2,229,435,183.31/53,866.08
  6. Step 6: Final answer
    x = 41,388.48

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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.