Home / 56,938.30-78,568.89-33,060.31

Finding the Fourth Proportional to 56,938.30, 78,568.89 and 33,060.31

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Solution

The fourth proportional to 56,938.30, 78,568.89 and 33,060.31 is: 45,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.30 : 78,568.89 = 33,060.31 : x
  2. Step 2: Convert to fraction form
    56,938.30/78,568.89 = 33,060.31/x
  3. Step 3: Cross multiply
    56,938.30x = 78,568.89 × 33,060.31
  4. Step 4: Simplify right side
    56,938.30x = 2,597,511,539.36
  5. Step 5: Solve for x
    x = 2,597,511,539.36/56,938.30
  6. Step 6: Final answer
    x = 45,619.76

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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.