Home / 89,081.14-122,901.45-50,813.20

Finding the Fourth Proportional to 89,081.14, 122,901.45 and 50,813.20

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Solution

The fourth proportional to 89,081.14, 122,901.45 and 50,813.20 is: 70,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,081.14 : 122,901.45 = 50,813.20 : x
  2. Step 2: Convert to fraction form
    89,081.14/122,901.45 = 50,813.20/x
  3. Step 3: Cross multiply
    89,081.14x = 122,901.45 × 50,813.20
  4. Step 4: Simplify right side
    89,081.14x = 6,245,015,959.14
  5. Step 5: Solve for x
    x = 6,245,015,959.14/89,081.14
  6. Step 6: Final answer
    x = 70,104.81

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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.