Home / 83,450.32-124,431.08-74,177.44

Finding the Fourth Proportional to 83,450.32, 124,431.08 and 74,177.44

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Solution

The fourth proportional to 83,450.32, 124,431.08 and 74,177.44 is: 110,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,450.32 : 124,431.08 = 74,177.44 : x
  2. Step 2: Convert to fraction form
    83,450.32/124,431.08 = 74,177.44/x
  3. Step 3: Cross multiply
    83,450.32x = 124,431.08 × 74,177.44
  4. Step 4: Simplify right side
    83,450.32x = 9,229,978,970.84
  5. Step 5: Solve for x
    x = 9,229,978,970.84/83,450.32
  6. Step 6: Final answer
    x = 110,604.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.