Home / 74,389.54-111,485.48-34,863.56

Finding the Fourth Proportional to 74,389.54, 111,485.48 and 34,863.56

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Solution

The fourth proportional to 74,389.54, 111,485.48 and 34,863.56 is: 52,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,389.54 : 111,485.48 = 34,863.56 : x
  2. Step 2: Convert to fraction form
    74,389.54/111,485.48 = 34,863.56/x
  3. Step 3: Cross multiply
    74,389.54x = 111,485.48 × 34,863.56
  4. Step 4: Simplify right side
    74,389.54x = 3,886,780,721.11
  5. Step 5: Solve for x
    x = 3,886,780,721.11/74,389.54
  6. Step 6: Final answer
    x = 52,249.02

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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.