Home / 57,756.44-86,646.92-18,308.36

Finding the Fourth Proportional to 57,756.44, 86,646.92 and 18,308.36

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Solution

The fourth proportional to 57,756.44, 86,646.92 and 18,308.36 is: 27,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,756.44 : 86,646.92 = 18,308.36 : x
  2. Step 2: Convert to fraction form
    57,756.44/86,646.92 = 18,308.36/x
  3. Step 3: Cross multiply
    57,756.44x = 86,646.92 × 18,308.36
  4. Step 4: Simplify right side
    57,756.44x = 1,586,363,004.25
  5. Step 5: Solve for x
    x = 1,586,363,004.25/57,756.44
  6. Step 6: Final answer
    x = 27,466.43

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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.