Home / 85,430.26-117,893.29-47,192.44

Finding the Fourth Proportional to 85,430.26, 117,893.29 and 47,192.44

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Solution

The fourth proportional to 85,430.26, 117,893.29 and 47,192.44 is: 65,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,430.26 : 117,893.29 = 47,192.44 : x
  2. Step 2: Convert to fraction form
    85,430.26/117,893.29 = 47,192.44/x
  3. Step 3: Cross multiply
    85,430.26x = 117,893.29 × 47,192.44
  4. Step 4: Simplify right side
    85,430.26x = 5,563,672,014.73
  5. Step 5: Solve for x
    x = 5,563,672,014.73/85,430.26
  6. Step 6: Final answer
    x = 65,125.31

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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.