Home / 53,676.82-74,077.37-31,019.97

Finding the Fourth Proportional to 53,676.82, 74,077.37 and 31,019.97

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Solution

The fourth proportional to 53,676.82, 74,077.37 and 31,019.97 is: 42,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,676.82 : 74,077.37 = 31,019.97 : x
  2. Step 2: Convert to fraction form
    53,676.82/74,077.37 = 31,019.97/x
  3. Step 3: Cross multiply
    53,676.82x = 74,077.37 × 31,019.97
  4. Step 4: Simplify right side
    53,676.82x = 2,297,877,795.08
  5. Step 5: Solve for x
    x = 2,297,877,795.08/53,676.82
  6. Step 6: Final answer
    x = 42,809.50

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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.