Home / 54,999.22-75,900.06-31,125.89

Finding the Fourth Proportional to 54,999.22, 75,900.06 and 31,125.89

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Solution

The fourth proportional to 54,999.22, 75,900.06 and 31,125.89 is: 42,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,999.22 : 75,900.06 = 31,125.89 : x
  2. Step 2: Convert to fraction form
    54,999.22/75,900.06 = 31,125.89/x
  3. Step 3: Cross multiply
    54,999.22x = 75,900.06 × 31,125.89
  4. Step 4: Simplify right side
    54,999.22x = 2,362,456,918.55
  5. Step 5: Solve for x
    x = 2,362,456,918.55/54,999.22
  6. Step 6: Final answer
    x = 42,954.37

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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.