Home / 79,143.44-109,217.96-43,335.67

Finding the Fourth Proportional to 79,143.44, 109,217.96 and 43,335.67

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Solution

The fourth proportional to 79,143.44, 109,217.96 and 43,335.67 is: 59,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,143.44 : 109,217.96 = 43,335.67 : x
  2. Step 2: Convert to fraction form
    79,143.44/109,217.96 = 43,335.67/x
  3. Step 3: Cross multiply
    79,143.44x = 109,217.96 × 43,335.67
  4. Step 4: Simplify right side
    79,143.44x = 4,733,033,472.63
  5. Step 5: Solve for x
    x = 4,733,033,472.63/79,143.44
  6. Step 6: Final answer
    x = 59,803.23

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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.