Home / 79,064.55-109,104.44-43,247.43

Finding the Fourth Proportional to 79,064.55, 109,104.44 and 43,247.43

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Solution

The fourth proportional to 79,064.55, 109,104.44 and 43,247.43 is: 59,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,064.55 : 109,104.44 = 43,247.43 : x
  2. Step 2: Convert to fraction form
    79,064.55/109,104.44 = 43,247.43/x
  3. Step 3: Cross multiply
    79,064.55x = 109,104.44 × 43,247.43
  4. Step 4: Simplify right side
    79,064.55x = 4,718,486,415.35
  5. Step 5: Solve for x
    x = 4,718,486,415.35/79,064.55
  6. Step 6: Final answer
    x = 59,678.91

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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.