Home / 89,079.75-122,923.62-48,787.02

Finding the Fourth Proportional to 89,079.75, 122,923.62 and 48,787.02

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Solution

The fourth proportional to 89,079.75, 122,923.62 and 48,787.02 is: 67,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079.75 : 122,923.62 = 48,787.02 : x
  2. Step 2: Convert to fraction form
    89,079.75/122,923.62 = 48,787.02/x
  3. Step 3: Cross multiply
    89,079.75x = 122,923.62 × 48,787.02
  4. Step 4: Simplify right side
    89,079.75x = 5,997,077,107.41
  5. Step 5: Solve for x
    x = 5,997,077,107.41/89,079.75
  6. Step 6: Final answer
    x = 67,322.56

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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.