Home / 75,973.72-113,993.94-40,426.66

Finding the Fourth Proportional to 75,973.72, 113,993.94 and 40,426.66

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Solution

The fourth proportional to 75,973.72, 113,993.94 and 40,426.66 is: 60,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,973.72 : 113,993.94 = 40,426.66 : x
  2. Step 2: Convert to fraction form
    75,973.72/113,993.94 = 40,426.66/x
  3. Step 3: Cross multiply
    75,973.72x = 113,993.94 × 40,426.66
  4. Step 4: Simplify right side
    75,973.72x = 4,608,394,254.44
  5. Step 5: Solve for x
    x = 4,608,394,254.44/75,973.72
  6. Step 6: Final answer
    x = 60,657.74

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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.