Home / 57,102.12-85,663.62-17,656.56

Finding the Fourth Proportional to 57,102.12, 85,663.62 and 17,656.56

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Solution

The fourth proportional to 57,102.12, 85,663.62 and 17,656.56 is: 26,488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102.12 : 85,663.62 = 17,656.56 : x
  2. Step 2: Convert to fraction form
    57,102.12/85,663.62 = 17,656.56/x
  3. Step 3: Cross multiply
    57,102.12x = 85,663.62 × 17,656.56
  4. Step 4: Simplify right side
    57,102.12x = 1,512,524,846.35
  5. Step 5: Solve for x
    x = 1,512,524,846.35/57,102.12
  6. Step 6: Final answer
    x = 26,488.07

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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.