Home / 54,941.20-75,761.88-47,009.68

Finding the Fourth Proportional to 54,941.20, 75,761.88 and 47,009.68

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Solution

The fourth proportional to 54,941.20, 75,761.88 and 47,009.68 is: 64,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,941.20 : 75,761.88 = 47,009.68 : x
  2. Step 2: Convert to fraction form
    54,941.20/75,761.88 = 47,009.68/x
  3. Step 3: Cross multiply
    54,941.20x = 75,761.88 × 47,009.68
  4. Step 4: Simplify right side
    54,941.20x = 3,561,541,735.00
  5. Step 5: Solve for x
    x = 3,561,541,735.00/54,941.20
  6. Step 6: Final answer
    x = 64,824.61

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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.