Home / 89,181.12-123,070.96-50,945.76

Finding the Fourth Proportional to 89,181.12, 123,070.96 and 50,945.76

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Solution

The fourth proportional to 89,181.12, 123,070.96 and 50,945.76 is: 70,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,181.12 : 123,070.96 = 50,945.76 : x
  2. Step 2: Convert to fraction form
    89,181.12/123,070.96 = 50,945.76/x
  3. Step 3: Cross multiply
    89,181.12x = 123,070.96 × 50,945.76
  4. Step 4: Simplify right side
    89,181.12x = 6,269,943,591.13
  5. Step 5: Solve for x
    x = 6,269,943,591.13/89,181.12
  6. Step 6: Final answer
    x = 70,305.73

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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.