Home / 54,889.78-75,747.95-29,739.28

Finding the Fourth Proportional to 54,889.78, 75,747.95 and 29,739.28

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Solution

The fourth proportional to 54,889.78, 75,747.95 and 29,739.28 is: 41,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.78 : 75,747.95 = 29,739.28 : x
  2. Step 2: Convert to fraction form
    54,889.78/75,747.95 = 29,739.28/x
  3. Step 3: Cross multiply
    54,889.78x = 75,747.95 × 29,739.28
  4. Step 4: Simplify right side
    54,889.78x = 2,252,689,494.48
  5. Step 5: Solve for x
    x = 2,252,689,494.48/54,889.78
  6. Step 6: Final answer
    x = 41,040.24

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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.