Home / 54,679.77-81,880.20-43,602.62

Finding the Fourth Proportional to 54,679.77, 81,880.20 and 43,602.62

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Solution

The fourth proportional to 54,679.77, 81,880.20 and 43,602.62 is: 65,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679.77 : 81,880.20 = 43,602.62 : x
  2. Step 2: Convert to fraction form
    54,679.77/81,880.20 = 43,602.62/x
  3. Step 3: Cross multiply
    54,679.77x = 81,880.20 × 43,602.62
  4. Step 4: Simplify right side
    54,679.77x = 3,570,190,836.72
  5. Step 5: Solve for x
    x = 3,570,190,836.72/54,679.77
  6. Step 6: Final answer
    x = 65,292.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.