Home / 57,819.26-86,742.70-18,376.45

Finding the Fourth Proportional to 57,819.26, 86,742.70 and 18,376.45

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Solution

The fourth proportional to 57,819.26, 86,742.70 and 18,376.45 is: 27,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,819.26 : 86,742.70 = 18,376.45 : x
  2. Step 2: Convert to fraction form
    57,819.26/86,742.70 = 18,376.45/x
  3. Step 3: Cross multiply
    57,819.26x = 86,742.70 × 18,376.45
  4. Step 4: Simplify right side
    57,819.26x = 1,594,022,626.62
  5. Step 5: Solve for x
    x = 1,594,022,626.62/57,819.26
  6. Step 6: Final answer
    x = 27,569.06

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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.