Home / 46,105.92-69,164.64-21,153.60

Finding the Fourth Proportional to 46,105.92, 69,164.64 and 21,153.60

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Solution

The fourth proportional to 46,105.92, 69,164.64 and 21,153.60 is: 31,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,105.92 : 69,164.64 = 21,153.60 : x
  2. Step 2: Convert to fraction form
    46,105.92/69,164.64 = 21,153.60/x
  3. Step 3: Cross multiply
    46,105.92x = 69,164.64 × 21,153.60
  4. Step 4: Simplify right side
    46,105.92x = 1,463,081,128.70
  5. Step 5: Solve for x
    x = 1,463,081,128.70/46,105.92
  6. Step 6: Final answer
    x = 31,733.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.