Home / 75,991.41-113,953.61-40,444.15

Finding the Fourth Proportional to 75,991.41, 113,953.61 and 40,444.15

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Solution

The fourth proportional to 75,991.41, 113,953.61 and 40,444.15 is: 60,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,991.41 : 113,953.61 = 40,444.15 : x
  2. Step 2: Convert to fraction form
    75,991.41/113,953.61 = 40,444.15/x
  3. Step 3: Cross multiply
    75,991.41x = 113,953.61 × 40,444.15
  4. Step 4: Simplify right side
    75,991.41x = 4,608,756,895.88
  5. Step 5: Solve for x
    x = 4,608,756,895.88/75,991.41
  6. Step 6: Final answer
    x = 60,648.39

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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.