Home / 79,560.24-109,765.80-49,334.68

Finding the Fourth Proportional to 79,560.24, 109,765.80 and 49,334.68

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Solution

The fourth proportional to 79,560.24, 109,765.80 and 49,334.68 is: 68,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,560.24 : 109,765.80 = 49,334.68 : x
  2. Step 2: Convert to fraction form
    79,560.24/109,765.80 = 49,334.68/x
  3. Step 3: Cross multiply
    79,560.24x = 109,765.80 × 49,334.68
  4. Step 4: Simplify right side
    79,560.24x = 5,415,260,617.94
  5. Step 5: Solve for x
    x = 5,415,260,617.94/79,560.24
  6. Step 6: Final answer
    x = 68,064.91

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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.