Home / 81,725.02-122,359.14-44,150.48

Finding the Fourth Proportional to 81,725.02, 122,359.14 and 44,150.48

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Solution

The fourth proportional to 81,725.02, 122,359.14 and 44,150.48 is: 66,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,725.02 : 122,359.14 = 44,150.48 : x
  2. Step 2: Convert to fraction form
    81,725.02/122,359.14 = 44,150.48/x
  3. Step 3: Cross multiply
    81,725.02x = 122,359.14 × 44,150.48
  4. Step 4: Simplify right side
    81,725.02x = 5,402,214,763.39
  5. Step 5: Solve for x
    x = 5,402,214,763.39/81,725.02
  6. Step 6: Final answer
    x = 66,102.34

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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.