Home / 74,504.16-102,731.76-54,325.44

Finding the Fourth Proportional to 74,504.16, 102,731.76 and 54,325.44

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Solution

The fourth proportional to 74,504.16, 102,731.76 and 54,325.44 is: 74,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,504.16 : 102,731.76 = 54,325.44 : x
  2. Step 2: Convert to fraction form
    74,504.16/102,731.76 = 54,325.44/x
  3. Step 3: Cross multiply
    74,504.16x = 102,731.76 × 54,325.44
  4. Step 4: Simplify right side
    74,504.16x = 5,580,948,063.97
  5. Step 5: Solve for x
    x = 5,580,948,063.97/74,504.16
  6. Step 6: Final answer
    x = 74,907.87

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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.