Home / 89,131.12-123,004.34-50,896.90

Finding the Fourth Proportional to 89,131.12, 123,004.34 and 50,896.90

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Solution

The fourth proportional to 89,131.12, 123,004.34 and 50,896.90 is: 70,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,131.12 : 123,004.34 = 50,896.90 : x
  2. Step 2: Convert to fraction form
    89,131.12/123,004.34 = 50,896.90/x
  3. Step 3: Cross multiply
    89,131.12x = 123,004.34 × 50,896.90
  4. Step 4: Simplify right side
    89,131.12x = 6,260,539,592.55
  5. Step 5: Solve for x
    x = 6,260,539,592.55/89,131.12
  6. Step 6: Final answer
    x = 70,239.66

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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.