Home / 89,516.64-123,530.50-49,230.41

Finding the Fourth Proportional to 89,516.64, 123,530.50 and 49,230.41

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Solution

The fourth proportional to 89,516.64, 123,530.50 and 49,230.41 is: 67,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.64 : 123,530.50 = 49,230.41 : x
  2. Step 2: Convert to fraction form
    89,516.64/123,530.50 = 49,230.41/x
  3. Step 3: Cross multiply
    89,516.64x = 123,530.50 × 49,230.41
  4. Step 4: Simplify right side
    89,516.64x = 6,081,457,162.51
  5. Step 5: Solve for x
    x = 6,081,457,162.51/89,516.64
  6. Step 6: Final answer
    x = 67,936.61

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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.