Home / 75,642.27-104,400.33-43,811.16

Finding the Fourth Proportional to 75,642.27, 104,400.33 and 43,811.16

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Solution

The fourth proportional to 75,642.27, 104,400.33 and 43,811.16 is: 60,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,642.27 : 104,400.33 = 43,811.16 : x
  2. Step 2: Convert to fraction form
    75,642.27/104,400.33 = 43,811.16/x
  3. Step 3: Cross multiply
    75,642.27x = 104,400.33 × 43,811.16
  4. Step 4: Simplify right side
    75,642.27x = 4,573,899,561.68
  5. Step 5: Solve for x
    x = 4,573,899,561.68/75,642.27
  6. Step 6: Final answer
    x = 60,467.51

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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.