Home / 89,049.83-122,902.65-50,809.32

Finding the Fourth Proportional to 89,049.83, 122,902.65 and 50,809.32

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Solution

The fourth proportional to 89,049.83, 122,902.65 and 50,809.32 is: 70,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.83 : 122,902.65 = 50,809.32 : x
  2. Step 2: Convert to fraction form
    89,049.83/122,902.65 = 50,809.32/x
  3. Step 3: Cross multiply
    89,049.83x = 122,902.65 × 50,809.32
  4. Step 4: Simplify right side
    89,049.83x = 6,244,600,072.70
  5. Step 5: Solve for x
    x = 6,244,600,072.70/89,049.83
  6. Step 6: Final answer
    x = 70,124.79

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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.