Home / 89,333.32-123,280.23-49,049.69

Finding the Fourth Proportional to 89,333.32, 123,280.23 and 49,049.69

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Solution

The fourth proportional to 89,333.32, 123,280.23 and 49,049.69 is: 67,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,333.32 : 123,280.23 = 49,049.69 : x
  2. Step 2: Convert to fraction form
    89,333.32/123,280.23 = 49,049.69/x
  3. Step 3: Cross multiply
    89,333.32x = 123,280.23 × 49,049.69
  4. Step 4: Simplify right side
    89,333.32x = 6,046,857,396.44
  5. Step 5: Solve for x
    x = 6,046,857,396.44/89,333.32
  6. Step 6: Final answer
    x = 67,688.71

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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.