Home / 74,794.77-112,106.03-30,372.75

Finding the Fourth Proportional to 74,794.77, 112,106.03 and 30,372.75

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Solution

The fourth proportional to 74,794.77, 112,106.03 and 30,372.75 is: 45,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,794.77 : 112,106.03 = 30,372.75 : x
  2. Step 2: Convert to fraction form
    74,794.77/112,106.03 = 30,372.75/x
  3. Step 3: Cross multiply
    74,794.77x = 112,106.03 × 30,372.75
  4. Step 4: Simplify right side
    74,794.77x = 3,404,968,270.82
  5. Step 5: Solve for x
    x = 3,404,968,270.82/74,794.77
  6. Step 6: Final answer
    x = 45,524.15

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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.