Home / 79,586.35-109,827.97-43,776.05

Finding the Fourth Proportional to 79,586.35, 109,827.97 and 43,776.05

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Solution

The fourth proportional to 79,586.35, 109,827.97 and 43,776.05 is: 60,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,586.35 : 109,827.97 = 43,776.05 : x
  2. Step 2: Convert to fraction form
    79,586.35/109,827.97 = 43,776.05/x
  3. Step 3: Cross multiply
    79,586.35x = 109,827.97 × 43,776.05
  4. Step 4: Simplify right side
    79,586.35x = 4,807,834,047.54
  5. Step 5: Solve for x
    x = 4,807,834,047.54/79,586.35
  6. Step 6: Final answer
    x = 60,410.29

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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.