Home / 56,910.97-78,537.26-31,417.37

Finding the Fourth Proportional to 56,910.97, 78,537.26 and 31,417.37

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Solution

The fourth proportional to 56,910.97, 78,537.26 and 31,417.37 is: 43,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,910.97 : 78,537.26 = 31,417.37 : x
  2. Step 2: Convert to fraction form
    56,910.97/78,537.26 = 31,417.37/x
  3. Step 3: Cross multiply
    56,910.97x = 78,537.26 × 31,417.37
  4. Step 4: Simplify right side
    56,910.97x = 2,467,433,999.12
  5. Step 5: Solve for x
    x = 2,467,433,999.12/56,910.97
  6. Step 6: Final answer
    x = 43,356.03

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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.