Home / 89,448.30-123,440.92-49,163.09

Finding the Fourth Proportional to 89,448.30, 123,440.92 and 49,163.09

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Solution

The fourth proportional to 89,448.30, 123,440.92 and 49,163.09 is: 67,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,448.30 : 123,440.92 = 49,163.09 : x
  2. Step 2: Convert to fraction form
    89,448.30/123,440.92 = 49,163.09/x
  3. Step 3: Cross multiply
    89,448.30x = 123,440.92 × 49,163.09
  4. Step 4: Simplify right side
    89,448.30x = 6,068,736,319.53
  5. Step 5: Solve for x
    x = 6,068,736,319.53/89,448.30
  6. Step 6: Final answer
    x = 67,846.30

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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.