Home / 57,534.96-86,323.22-20,100.56

Finding the Fourth Proportional to 57,534.96, 86,323.22 and 20,100.56

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Solution

The fourth proportional to 57,534.96, 86,323.22 and 20,100.56 is: 30,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,534.96 : 86,323.22 = 20,100.56 : x
  2. Step 2: Convert to fraction form
    57,534.96/86,323.22 = 20,100.56/x
  3. Step 3: Cross multiply
    57,534.96x = 86,323.22 × 20,100.56
  4. Step 4: Simplify right side
    57,534.96x = 1,735,145,063.00
  5. Step 5: Solve for x
    x = 1,735,145,063.00/57,534.96
  6. Step 6: Final answer
    x = 30,158.10

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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.