Home / 74,540.44-103,013.40-61,090.48

Finding the Fourth Proportional to 74,540.44, 103,013.40 and 61,090.48

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Solution

The fourth proportional to 74,540.44, 103,013.40 and 61,090.48 is: 84,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,540.44 : 103,013.40 = 61,090.48 : x
  2. Step 2: Convert to fraction form
    74,540.44/103,013.40 = 61,090.48/x
  3. Step 3: Cross multiply
    74,540.44x = 103,013.40 × 61,090.48
  4. Step 4: Simplify right side
    74,540.44x = 6,293,138,052.43
  5. Step 5: Solve for x
    x = 6,293,138,052.43/74,540.44
  6. Step 6: Final answer
    x = 84,425.82

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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.