Home / 89,081.64-122,902.14-50,813.70

Finding the Fourth Proportional to 89,081.64, 122,902.14 and 50,813.70

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Solution

The fourth proportional to 89,081.64, 122,902.14 and 50,813.70 is: 70,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,081.64 : 122,902.14 = 50,813.70 : x
  2. Step 2: Convert to fraction form
    89,081.64/122,902.14 = 50,813.70/x
  3. Step 3: Cross multiply
    89,081.64x = 122,902.14 × 50,813.70
  4. Step 4: Simplify right side
    89,081.64x = 6,245,112,471.32
  5. Step 5: Solve for x
    x = 6,245,112,471.32/89,081.64
  6. Step 6: Final answer
    x = 70,105.50

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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.