Home / 56,825.43-85,238.28-15,272.43

Finding the Fourth Proportional to 56,825.43, 85,238.28 and 15,272.43

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Solution

The fourth proportional to 56,825.43, 85,238.28 and 15,272.43 is: 22,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,825.43 : 85,238.28 = 15,272.43 : x
  2. Step 2: Convert to fraction form
    56,825.43/85,238.28 = 15,272.43/x
  3. Step 3: Cross multiply
    56,825.43x = 85,238.28 × 15,272.43
  4. Step 4: Simplify right side
    56,825.43x = 1,301,795,664.62
  5. Step 5: Solve for x
    x = 1,301,795,664.62/56,825.43
  6. Step 6: Final answer
    x = 22,908.68

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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.