Home / 79,194.07-109,257.37-45,204.45

Finding the Fourth Proportional to 79,194.07, 109,257.37 and 45,204.45

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Solution

The fourth proportional to 79,194.07, 109,257.37 and 45,204.45 is: 62,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,194.07 : 109,257.37 = 45,204.45 : x
  2. Step 2: Convert to fraction form
    79,194.07/109,257.37 = 45,204.45/x
  3. Step 3: Cross multiply
    79,194.07x = 109,257.37 × 45,204.45
  4. Step 4: Simplify right side
    79,194.07x = 4,938,919,319.30
  5. Step 5: Solve for x
    x = 4,938,919,319.30/79,194.07
  6. Step 6: Final answer
    x = 62,364.76

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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.