Home / 53,853.54-74,314.31-29,979.60

Finding the Fourth Proportional to 53,853.54, 74,314.31 and 29,979.60

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Solution

The fourth proportional to 53,853.54, 74,314.31 and 29,979.60 is: 41,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.54 : 74,314.31 = 29,979.60 : x
  2. Step 2: Convert to fraction form
    53,853.54/74,314.31 = 29,979.60/x
  3. Step 3: Cross multiply
    53,853.54x = 74,314.31 × 29,979.60
  4. Step 4: Simplify right side
    53,853.54x = 2,227,913,138.18
  5. Step 5: Solve for x
    x = 2,227,913,138.18/53,853.54
  6. Step 6: Final answer
    x = 41,369.85

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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.