Home / 54,050.48-74,568.46-31,385.60

Finding the Fourth Proportional to 54,050.48, 74,568.46 and 31,385.60

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Solution

The fourth proportional to 54,050.48, 74,568.46 and 31,385.60 is: 43,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,050.48 : 74,568.46 = 31,385.60 : x
  2. Step 2: Convert to fraction form
    54,050.48/74,568.46 = 31,385.60/x
  3. Step 3: Cross multiply
    54,050.48x = 74,568.46 × 31,385.60
  4. Step 4: Simplify right side
    54,050.48x = 2,340,375,858.18
  5. Step 5: Solve for x
    x = 2,340,375,858.18/54,050.48
  6. Step 6: Final answer
    x = 43,299.82

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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.