Home / 54,889.70-75,748.10-29,739.20

Finding the Fourth Proportional to 54,889.70, 75,748.10 and 29,739.20

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Solution

The fourth proportional to 54,889.70, 75,748.10 and 29,739.20 is: 41,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.70 : 75,748.10 = 29,739.20 : x
  2. Step 2: Convert to fraction form
    54,889.70/75,748.10 = 29,739.20/x
  3. Step 3: Cross multiply
    54,889.70x = 75,748.10 × 29,739.20
  4. Step 4: Simplify right side
    54,889.70x = 2,252,687,895.52
  5. Step 5: Solve for x
    x = 2,252,687,895.52/54,889.70
  6. Step 6: Final answer
    x = 41,040.27

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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.