Home / 56,675.44-78,212.10-31,181.26

Finding the Fourth Proportional to 56,675.44, 78,212.10 and 31,181.26

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Solution

The fourth proportional to 56,675.44, 78,212.10 and 31,181.26 is: 43,030.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,675.44 : 78,212.10 = 31,181.26 : x
  2. Step 2: Convert to fraction form
    56,675.44/78,212.10 = 31,181.26/x
  3. Step 3: Cross multiply
    56,675.44x = 78,212.10 × 31,181.26
  4. Step 4: Simplify right side
    56,675.44x = 2,438,751,717.90
  5. Step 5: Solve for x
    x = 2,438,751,717.90/56,675.44
  6. Step 6: Final answer
    x = 43,030.14

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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.