Home / 70,745.06-97,623.82-40,523.45

Finding the Fourth Proportional to 70,745.06, 97,623.82 and 40,523.45

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Solution

The fourth proportional to 70,745.06, 97,623.82 and 40,523.45 is: 55,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,745.06 : 97,623.82 = 40,523.45 : x
  2. Step 2: Convert to fraction form
    70,745.06/97,623.82 = 40,523.45/x
  3. Step 3: Cross multiply
    70,745.06x = 97,623.82 × 40,523.45
  4. Step 4: Simplify right side
    70,745.06x = 3,956,053,399.15
  5. Step 5: Solve for x
    x = 3,956,053,399.15/70,745.06
  6. Step 6: Final answer
    x = 55,919.86

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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.