Home / 116,418.43-174,481.53-49,780.18

Finding the Fourth Proportional to 116,418.43, 174,481.53 and 49,780.18

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Solution

The fourth proportional to 116,418.43, 174,481.53 and 49,780.18 is: 74,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,418.43 : 174,481.53 = 49,780.18 : x
  2. Step 2: Convert to fraction form
    116,418.43/174,481.53 = 49,780.18/x
  3. Step 3: Cross multiply
    116,418.43x = 174,481.53 × 49,780.18
  4. Step 4: Simplify right side
    116,418.43x = 8,685,721,970.08
  5. Step 5: Solve for x
    x = 8,685,721,970.08/116,418.43
  6. Step 6: Final answer
    x = 74,607.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.