Home / 54,955.76-75,850.28-31,083.44

Finding the Fourth Proportional to 54,955.76, 75,850.28 and 31,083.44

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Solution

The fourth proportional to 54,955.76, 75,850.28 and 31,083.44 is: 42,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,955.76 : 75,850.28 = 31,083.44 : x
  2. Step 2: Convert to fraction form
    54,955.76/75,850.28 = 31,083.44/x
  3. Step 3: Cross multiply
    54,955.76x = 75,850.28 × 31,083.44
  4. Step 4: Simplify right side
    54,955.76x = 2,357,687,627.36
  5. Step 5: Solve for x
    x = 2,357,687,627.36/54,955.76
  6. Step 6: Final answer
    x = 42,901.56

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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.