Home / 53,755.56-74,179.42-29,881.40

Finding the Fourth Proportional to 53,755.56, 74,179.42 and 29,881.40

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Solution

The fourth proportional to 53,755.56, 74,179.42 and 29,881.40 is: 41,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.56 : 74,179.42 = 29,881.40 : x
  2. Step 2: Convert to fraction form
    53,755.56/74,179.42 = 29,881.40/x
  3. Step 3: Cross multiply
    53,755.56x = 74,179.42 × 29,881.40
  4. Step 4: Simplify right side
    53,755.56x = 2,216,584,920.79
  5. Step 5: Solve for x
    x = 2,216,584,920.79/53,755.56
  6. Step 6: Final answer
    x = 41,234.52

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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.