Home / 54,877.61-75,730.94-31,004.27

Finding the Fourth Proportional to 54,877.61, 75,730.94 and 31,004.27

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Solution

The fourth proportional to 54,877.61, 75,730.94 and 31,004.27 is: 42,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.61 : 75,730.94 = 31,004.27 : x
  2. Step 2: Convert to fraction form
    54,877.61/75,730.94 = 31,004.27/x
  3. Step 3: Cross multiply
    54,877.61x = 75,730.94 × 31,004.27
  4. Step 4: Simplify right side
    54,877.61x = 2,347,981,977.44
  5. Step 5: Solve for x
    x = 2,347,981,977.44/54,877.61
  6. Step 6: Final answer
    x = 42,785.80

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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.