Home / 89,474.22-123,477.66-49,191.75

Finding the Fourth Proportional to 89,474.22, 123,477.66 and 49,191.75

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Solution

The fourth proportional to 89,474.22, 123,477.66 and 49,191.75 is: 67,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,474.22 : 123,477.66 = 49,191.75 : x
  2. Step 2: Convert to fraction form
    89,474.22/123,477.66 = 49,191.75/x
  3. Step 3: Cross multiply
    89,474.22x = 123,477.66 × 49,191.75
  4. Step 4: Simplify right side
    89,474.22x = 6,074,082,181.31
  5. Step 5: Solve for x
    x = 6,074,082,181.31/89,474.22
  6. Step 6: Final answer
    x = 67,886.39

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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.