Home / 57,534.64-86,322.66-20,100.22

Finding the Fourth Proportional to 57,534.64, 86,322.66 and 20,100.22

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Solution

The fourth proportional to 57,534.64, 86,322.66 and 20,100.22 is: 30,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,534.64 : 86,322.66 = 20,100.22 : x
  2. Step 2: Convert to fraction form
    57,534.64/86,322.66 = 20,100.22/x
  3. Step 3: Cross multiply
    57,534.64x = 86,322.66 × 20,100.22
  4. Step 4: Simplify right side
    57,534.64x = 1,735,104,456.99
  5. Step 5: Solve for x
    x = 1,735,104,456.99/57,534.64
  6. Step 6: Final answer
    x = 30,157.56

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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.