Home / 57,819.75-86,735.38-15,700.49

Finding the Fourth Proportional to 57,819.75, 86,735.38 and 15,700.49

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Solution

The fourth proportional to 57,819.75, 86,735.38 and 15,700.49 is: 23,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,819.75 : 86,735.38 = 15,700.49 : x
  2. Step 2: Convert to fraction form
    57,819.75/86,735.38 = 15,700.49/x
  3. Step 3: Cross multiply
    57,819.75x = 86,735.38 × 15,700.49
  4. Step 4: Simplify right side
    57,819.75x = 1,361,787,966.34
  5. Step 5: Solve for x
    x = 1,361,787,966.34/57,819.75
  6. Step 6: Final answer
    x = 23,552.30

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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.