Home / 89,375.70-123,340.50-49,090.08

Finding the Fourth Proportional to 89,375.70, 123,340.50 and 49,090.08

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Solution

The fourth proportional to 89,375.70, 123,340.50 and 49,090.08 is: 67,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,375.70 : 123,340.50 = 49,090.08 : x
  2. Step 2: Convert to fraction form
    89,375.70/123,340.50 = 49,090.08/x
  3. Step 3: Cross multiply
    89,375.70x = 123,340.50 × 49,090.08
  4. Step 4: Simplify right side
    89,375.70x = 6,054,795,012.24
  5. Step 5: Solve for x
    x = 6,054,795,012.24/89,375.70
  6. Step 6: Final answer
    x = 67,745.43

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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.