Home / 89,653.62-123,717.10-49,359.73

Finding the Fourth Proportional to 89,653.62, 123,717.10 and 49,359.73

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Solution

The fourth proportional to 89,653.62, 123,717.10 and 49,359.73 is: 68,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,653.62 : 123,717.10 = 49,359.73 : x
  2. Step 2: Convert to fraction form
    89,653.62/123,717.10 = 49,359.73/x
  3. Step 3: Cross multiply
    89,653.62x = 123,717.10 × 49,359.73
  4. Step 4: Simplify right side
    89,653.62x = 6,106,642,652.38
  5. Step 5: Solve for x
    x = 6,106,642,652.38/89,653.62
  6. Step 6: Final answer
    x = 68,113.73

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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.