Home / 57,558.56-86,346.36-18,102.56

Finding the Fourth Proportional to 57,558.56, 86,346.36 and 18,102.56

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Solution

The fourth proportional to 57,558.56, 86,346.36 and 18,102.56 is: 27,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,558.56 : 86,346.36 = 18,102.56 : x
  2. Step 2: Convert to fraction form
    57,558.56/86,346.36 = 18,102.56/x
  3. Step 3: Cross multiply
    57,558.56x = 86,346.36 × 18,102.56
  4. Step 4: Simplify right side
    57,558.56x = 1,563,090,162.68
  5. Step 5: Solve for x
    x = 1,563,090,162.68/57,558.56
  6. Step 6: Final answer
    x = 27,156.52

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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.