Home / 89,076.25-122,921.62-53,286.04

Finding the Fourth Proportional to 89,076.25, 122,921.62 and 53,286.04

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Solution

The fourth proportional to 89,076.25, 122,921.62 and 53,286.04 is: 73,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,076.25 : 122,921.62 = 53,286.04 : x
  2. Step 2: Convert to fraction form
    89,076.25/122,921.62 = 53,286.04/x
  3. Step 3: Cross multiply
    89,076.25x = 122,921.62 × 53,286.04
  4. Step 4: Simplify right side
    89,076.25x = 6,550,006,360.18
  5. Step 5: Solve for x
    x = 6,550,006,360.18/89,076.25
  6. Step 6: Final answer
    x = 73,532.58

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1.5x scale

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.