Home / 74,660.90-111,877.95-54,845.06

Finding the Fourth Proportional to 74,660.90, 111,877.95 and 54,845.06

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Solution

The fourth proportional to 74,660.90, 111,877.95 and 54,845.06 is: 82,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660.90 : 111,877.95 = 54,845.06 : x
  2. Step 2: Convert to fraction form
    74,660.90/111,877.95 = 54,845.06/x
  3. Step 3: Cross multiply
    74,660.90x = 111,877.95 × 54,845.06
  4. Step 4: Simplify right side
    74,660.90x = 6,135,952,880.43
  5. Step 5: Solve for x
    x = 6,135,952,880.43/74,660.90
  6. Step 6: Final answer
    x = 82,184.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.