Home / 56,917.44-78,549.48-31,768.56

Finding the Fourth Proportional to 56,917.44, 78,549.48 and 31,768.56

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Solution

The fourth proportional to 56,917.44, 78,549.48 and 31,768.56 is: 43,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.44 : 78,549.48 = 31,768.56 : x
  2. Step 2: Convert to fraction form
    56,917.44/78,549.48 = 31,768.56/x
  3. Step 3: Cross multiply
    56,917.44x = 78,549.48 × 31,768.56
  4. Step 4: Simplify right side
    56,917.44x = 2,495,403,868.35
  5. Step 5: Solve for x
    x = 2,495,403,868.35/56,917.44
  6. Step 6: Final answer
    x = 43,842.52

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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.