Home / 56,819.88-85,242.24-17,380.08

Finding the Fourth Proportional to 56,819.88, 85,242.24 and 17,380.08

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Solution

The fourth proportional to 56,819.88, 85,242.24 and 17,380.08 is: 26,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,819.88 : 85,242.24 = 17,380.08 : x
  2. Step 2: Convert to fraction form
    56,819.88/85,242.24 = 17,380.08/x
  3. Step 3: Cross multiply
    56,819.88x = 85,242.24 × 17,380.08
  4. Step 4: Simplify right side
    56,819.88x = 1,481,516,950.58
  5. Step 5: Solve for x
    x = 1,481,516,950.58/56,819.88
  6. Step 6: Final answer
    x = 26,073.92

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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.