Home / 81,844.45-122,725.16-37,433.16

Finding the Fourth Proportional to 81,844.45, 122,725.16 and 37,433.16

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Solution

The fourth proportional to 81,844.45, 122,725.16 and 37,433.16 is: 56,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,844.45 : 122,725.16 = 37,433.16 : x
  2. Step 2: Convert to fraction form
    81,844.45/122,725.16 = 37,433.16/x
  3. Step 3: Cross multiply
    81,844.45x = 122,725.16 × 37,433.16
  4. Step 4: Simplify right side
    81,844.45x = 4,593,989,936.68
  5. Step 5: Solve for x
    x = 4,593,989,936.68/81,844.45
  6. Step 6: Final answer
    x = 56,130.74

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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.