Home / 79,561.14-109,794.21-45,580.64

Finding the Fourth Proportional to 79,561.14, 109,794.21 and 45,580.64

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Solution

The fourth proportional to 79,561.14, 109,794.21 and 45,580.64 is: 62,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,561.14 : 109,794.21 = 45,580.64 : x
  2. Step 2: Convert to fraction form
    79,561.14/109,794.21 = 45,580.64/x
  3. Step 3: Cross multiply
    79,561.14x = 109,794.21 × 45,580.64
  4. Step 4: Simplify right side
    79,561.14x = 5,004,489,811.12
  5. Step 5: Solve for x
    x = 5,004,489,811.12/79,561.14
  6. Step 6: Final answer
    x = 62,901.18

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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.