Home / 79,480.05-109,682.13-43,669.95

Finding the Fourth Proportional to 79,480.05, 109,682.13 and 43,669.95

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Solution

The fourth proportional to 79,480.05, 109,682.13 and 43,669.95 is: 60,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,480.05 : 109,682.13 = 43,669.95 : x
  2. Step 2: Convert to fraction form
    79,480.05/109,682.13 = 43,669.95/x
  3. Step 3: Cross multiply
    79,480.05x = 109,682.13 × 43,669.95
  4. Step 4: Simplify right side
    79,480.05x = 4,789,813,132.99
  5. Step 5: Solve for x
    x = 4,789,813,132.99/79,480.05
  6. Step 6: Final answer
    x = 60,264.34

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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.