Home / 89,081.64-122,902.14-50,813.68

Finding the Fourth Proportional to 89,081.64, 122,902.14 and 50,813.68

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Solution

The fourth proportional to 89,081.64, 122,902.14 and 50,813.68 is: 70,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,081.64 : 122,902.14 = 50,813.68 : x
  2. Step 2: Convert to fraction form
    89,081.64/122,902.14 = 50,813.68/x
  3. Step 3: Cross multiply
    89,081.64x = 122,902.14 × 50,813.68
  4. Step 4: Simplify right side
    89,081.64x = 6,245,110,013.28
  5. Step 5: Solve for x
    x = 6,245,110,013.28/89,081.64
  6. Step 6: Final answer
    x = 70,105.47

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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.