Home / 57,517.40-86,276.04-18,077.96

Finding the Fourth Proportional to 57,517.40, 86,276.04 and 18,077.96

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Solution

The fourth proportional to 57,517.40, 86,276.04 and 18,077.96 is: 27,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.40 : 86,276.04 = 18,077.96 : x
  2. Step 2: Convert to fraction form
    57,517.40/86,276.04 = 18,077.96/x
  3. Step 3: Cross multiply
    57,517.40x = 86,276.04 × 18,077.96
  4. Step 4: Simplify right side
    57,517.40x = 1,559,694,800.08
  5. Step 5: Solve for x
    x = 1,559,694,800.08/57,517.40
  6. Step 6: Final answer
    x = 27,116.92

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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.