Home / 89,039.24-122,877.46-50,805.01

Finding the Fourth Proportional to 89,039.24, 122,877.46 and 50,805.01

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Solution

The fourth proportional to 89,039.24, 122,877.46 and 50,805.01 is: 70,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039.24 : 122,877.46 = 50,805.01 : x
  2. Step 2: Convert to fraction form
    89,039.24/122,877.46 = 50,805.01/x
  3. Step 3: Cross multiply
    89,039.24x = 122,877.46 × 50,805.01
  4. Step 4: Simplify right side
    89,039.24x = 6,242,790,801.18
  5. Step 5: Solve for x
    x = 6,242,790,801.18/89,039.24
  6. Step 6: Final answer
    x = 70,112.81

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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.