Home / 56,932.75-85,451.20-28,872.17

Finding the Fourth Proportional to 56,932.75, 85,451.20 and 28,872.17

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Solution

The fourth proportional to 56,932.75, 85,451.20 and 28,872.17 is: 43,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932.75 : 85,451.20 = 28,872.17 : x
  2. Step 2: Convert to fraction form
    56,932.75/85,451.20 = 28,872.17/x
  3. Step 3: Cross multiply
    56,932.75x = 85,451.20 × 28,872.17
  4. Step 4: Simplify right side
    56,932.75x = 2,467,161,573.10
  5. Step 5: Solve for x
    x = 2,467,161,573.10/56,932.75
  6. Step 6: Final answer
    x = 43,334.67

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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.