Home / 75,255.41-112,873.89-43,682.68

Finding the Fourth Proportional to 75,255.41, 112,873.89 and 43,682.68

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Solution

The fourth proportional to 75,255.41, 112,873.89 and 43,682.68 is: 65,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,255.41 : 112,873.89 = 43,682.68 : x
  2. Step 2: Convert to fraction form
    75,255.41/112,873.89 = 43,682.68/x
  3. Step 3: Cross multiply
    75,255.41x = 112,873.89 × 43,682.68
  4. Step 4: Simplify right side
    75,255.41x = 4,930,634,017.23
  5. Step 5: Solve for x
    x = 4,930,634,017.23/75,255.41
  6. Step 6: Final answer
    x = 65,518.67

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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.