Home / 56,656.44-78,180.57-31,162.86

Finding the Fourth Proportional to 56,656.44, 78,180.57 and 31,162.86

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Solution

The fourth proportional to 56,656.44, 78,180.57 and 31,162.86 is: 43,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,656.44 : 78,180.57 = 31,162.86 : x
  2. Step 2: Convert to fraction form
    56,656.44/78,180.57 = 31,162.86/x
  3. Step 3: Cross multiply
    56,656.44x = 78,180.57 × 31,162.86
  4. Step 4: Simplify right side
    56,656.44x = 2,436,330,157.63
  5. Step 5: Solve for x
    x = 2,436,330,157.63/56,656.44
  6. Step 6: Final answer
    x = 43,001.82

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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.