Home / 89,112.68-122,975.46-48,827.96

Finding the Fourth Proportional to 89,112.68, 122,975.46 and 48,827.96

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Solution

The fourth proportional to 89,112.68, 122,975.46 and 48,827.96 is: 67,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,112.68 : 122,975.46 = 48,827.96 : x
  2. Step 2: Convert to fraction form
    89,112.68/122,975.46 = 48,827.96/x
  3. Step 3: Cross multiply
    89,112.68x = 122,975.46 × 48,827.96
  4. Step 4: Simplify right side
    89,112.68x = 6,004,640,841.86
  5. Step 5: Solve for x
    x = 6,004,640,841.86/89,112.68
  6. Step 6: Final answer
    x = 67,382.56

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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.