Home / 56,566.56-78,027.36-40,672.56

Finding the Fourth Proportional to 56,566.56, 78,027.36 and 40,672.56

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Solution

The fourth proportional to 56,566.56, 78,027.36 and 40,672.56 is: 56,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,566.56 : 78,027.36 = 40,672.56 : x
  2. Step 2: Convert to fraction form
    56,566.56/78,027.36 = 40,672.56/x
  3. Step 3: Cross multiply
    56,566.56x = 78,027.36 × 40,672.56
  4. Step 4: Simplify right side
    56,566.56x = 3,173,572,481.24
  5. Step 5: Solve for x
    x = 3,173,572,481.24/56,566.56
  6. Step 6: Final answer
    x = 56,103.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.