Home / 89,299.23-123,228.99-49,013.07

Finding the Fourth Proportional to 89,299.23, 123,228.99 and 49,013.07

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Solution

The fourth proportional to 89,299.23, 123,228.99 and 49,013.07 is: 67,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,299.23 : 123,228.99 = 49,013.07 : x
  2. Step 2: Convert to fraction form
    89,299.23/123,228.99 = 49,013.07/x
  3. Step 3: Cross multiply
    89,299.23x = 123,228.99 × 49,013.07
  4. Step 4: Simplify right side
    89,299.23x = 6,039,831,112.90
  5. Step 5: Solve for x
    x = 6,039,831,112.90/89,299.23
  6. Step 6: Final answer
    x = 67,635.87

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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.