Home / 79,411.62-109,583.07-43,601.40

Finding the Fourth Proportional to 79,411.62, 109,583.07 and 43,601.40

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Solution

The fourth proportional to 79,411.62, 109,583.07 and 43,601.40 is: 60,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,411.62 : 109,583.07 = 43,601.40 : x
  2. Step 2: Convert to fraction form
    79,411.62/109,583.07 = 43,601.40/x
  3. Step 3: Cross multiply
    79,411.62x = 109,583.07 × 43,601.40
  4. Step 4: Simplify right side
    79,411.62x = 4,777,975,268.30
  5. Step 5: Solve for x
    x = 4,777,975,268.30/79,411.62
  6. Step 6: Final answer
    x = 60,167.21

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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.