Home / 89,454.96-123,450.08-49,169.76

Finding the Fourth Proportional to 89,454.96, 123,450.08 and 49,169.76

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Solution

The fourth proportional to 89,454.96, 123,450.08 and 49,169.76 is: 67,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,454.96 : 123,450.08 = 49,169.76 : x
  2. Step 2: Convert to fraction form
    89,454.96/123,450.08 = 49,169.76/x
  3. Step 3: Cross multiply
    89,454.96x = 123,450.08 × 49,169.76
  4. Step 4: Simplify right side
    89,454.96x = 6,070,010,805.58
  5. Step 5: Solve for x
    x = 6,070,010,805.58/89,454.96
  6. Step 6: Final answer
    x = 67,855.50

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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.