Home / 75,446.46-104,128.81-43,633.71

Finding the Fourth Proportional to 75,446.46, 104,128.81 and 43,633.71

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Solution

The fourth proportional to 75,446.46, 104,128.81 and 43,633.71 is: 60,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,446.46 : 104,128.81 = 43,633.71 : x
  2. Step 2: Convert to fraction form
    75,446.46/104,128.81 = 43,633.71/x
  3. Step 3: Cross multiply
    75,446.46x = 104,128.81 × 43,633.71
  4. Step 4: Simplify right side
    75,446.46x = 4,543,526,189.10
  5. Step 5: Solve for x
    x = 4,543,526,189.10/75,446.46
  6. Step 6: Final answer
    x = 60,221.86

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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.