Home / 54,907.70-75,772.60-29,757.20

Finding the Fourth Proportional to 54,907.70, 75,772.60 and 29,757.20

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Solution

The fourth proportional to 54,907.70, 75,772.60 and 29,757.20 is: 41,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907.70 : 75,772.60 = 29,757.20 : x
  2. Step 2: Convert to fraction form
    54,907.70/75,772.60 = 29,757.20/x
  3. Step 3: Cross multiply
    54,907.70x = 75,772.60 × 29,757.20
  4. Step 4: Simplify right side
    54,907.70x = 2,254,780,412.72
  5. Step 5: Solve for x
    x = 2,254,780,412.72/54,907.70
  6. Step 6: Final answer
    x = 41,064.92

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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.