Home / 89,620.16-123,674.85-49,333.05

Finding the Fourth Proportional to 89,620.16, 123,674.85 and 49,333.05

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Solution

The fourth proportional to 89,620.16, 123,674.85 and 49,333.05 is: 68,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,620.16 : 123,674.85 = 49,333.05 : x
  2. Step 2: Convert to fraction form
    89,620.16/123,674.85 = 49,333.05/x
  3. Step 3: Cross multiply
    89,620.16x = 123,674.85 × 49,333.05
  4. Step 4: Simplify right side
    89,620.16x = 6,101,257,558.79
  5. Step 5: Solve for x
    x = 6,101,257,558.79/89,620.16
  6. Step 6: Final answer
    x = 68,079.08

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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.