Home / 79,320.13-109,461.49-49,099.44

Finding the Fourth Proportional to 79,320.13, 109,461.49 and 49,099.44

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Solution

The fourth proportional to 79,320.13, 109,461.49 and 49,099.44 is: 67,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320.13 : 109,461.49 = 49,099.44 : x
  2. Step 2: Convert to fraction form
    79,320.13/109,461.49 = 49,099.44/x
  3. Step 3: Cross multiply
    79,320.13x = 109,461.49 × 49,099.44
  4. Step 4: Simplify right side
    79,320.13x = 5,374,497,860.57
  5. Step 5: Solve for x
    x = 5,374,497,860.57/79,320.13
  6. Step 6: Final answer
    x = 67,757.05

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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.