Home / 113,845.40-170,816.70-54,650.60

Finding the Fourth Proportional to 113,845.40, 170,816.70 and 54,650.60

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Solution

The fourth proportional to 113,845.40, 170,816.70 and 54,650.60 is: 81,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,845.40 : 170,816.70 = 54,650.60 : x
  2. Step 2: Convert to fraction form
    113,845.40/170,816.70 = 54,650.60/x
  3. Step 3: Cross multiply
    113,845.40x = 170,816.70 × 54,650.60
  4. Step 4: Simplify right side
    113,845.40x = 9,335,235,145.02
  5. Step 5: Solve for x
    x = 9,335,235,145.02/113,845.40
  6. Step 6: Final answer
    x = 81,999.23

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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.