Home / 56,913.44-78,543.98-31,764.56

Finding the Fourth Proportional to 56,913.44, 78,543.98 and 31,764.56

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Solution

The fourth proportional to 56,913.44, 78,543.98 and 31,764.56 is: 43,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.44 : 78,543.98 = 31,764.56 : x
  2. Step 2: Convert to fraction form
    56,913.44/78,543.98 = 31,764.56/x
  3. Step 3: Cross multiply
    56,913.44x = 78,543.98 × 31,764.56
  4. Step 4: Simplify right side
    56,913.44x = 2,494,914,965.35
  5. Step 5: Solve for x
    x = 2,494,914,965.35/56,913.44
  6. Step 6: Final answer
    x = 43,837.01

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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.