Home / 89,454.75-123,450.36-49,171.62

Finding the Fourth Proportional to 89,454.75, 123,450.36 and 49,171.62

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Solution

The fourth proportional to 89,454.75, 123,450.36 and 49,171.62 is: 67,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,454.75 : 123,450.36 = 49,171.62 : x
  2. Step 2: Convert to fraction form
    89,454.75/123,450.36 = 49,171.62/x
  3. Step 3: Cross multiply
    89,454.75x = 123,450.36 × 49,171.62
  4. Step 4: Simplify right side
    89,454.75x = 6,070,254,190.78
  5. Step 5: Solve for x
    x = 6,070,254,190.78/89,454.75
  6. Step 6: Final answer
    x = 67,858.38

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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.