Home / 79,676.10-109,953.99-43,868.55

Finding the Fourth Proportional to 79,676.10, 109,953.99 and 43,868.55

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Solution

The fourth proportional to 79,676.10, 109,953.99 and 43,868.55 is: 60,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,676.10 : 109,953.99 = 43,868.55 : x
  2. Step 2: Convert to fraction form
    79,676.10/109,953.99 = 43,868.55/x
  3. Step 3: Cross multiply
    79,676.10x = 109,953.99 × 43,868.55
  4. Step 4: Simplify right side
    79,676.10x = 4,823,522,108.01
  5. Step 5: Solve for x
    x = 4,823,522,108.01/79,676.10
  6. Step 6: Final answer
    x = 60,539.13

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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.