Home / 79,558.12-109,790.99-43,748.39

Finding the Fourth Proportional to 79,558.12, 109,790.99 and 43,748.39

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Solution

The fourth proportional to 79,558.12, 109,790.99 and 43,748.39 is: 60,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,558.12 : 109,790.99 = 43,748.39 : x
  2. Step 2: Convert to fraction form
    79,558.12/109,790.99 = 43,748.39/x
  3. Step 3: Cross multiply
    79,558.12x = 109,790.99 × 43,748.39
  4. Step 4: Simplify right side
    79,558.12x = 4,803,179,049.01
  5. Step 5: Solve for x
    x = 4,803,179,049.01/79,558.12
  6. Step 6: Final answer
    x = 60,373.21

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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.