Home / 75,629.16-104,391.22-43,805.88

Finding the Fourth Proportional to 75,629.16, 104,391.22 and 43,805.88

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Solution

The fourth proportional to 75,629.16, 104,391.22 and 43,805.88 is: 60,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.16 : 104,391.22 = 43,805.88 : x
  2. Step 2: Convert to fraction form
    75,629.16/104,391.22 = 43,805.88/x
  3. Step 3: Cross multiply
    75,629.16x = 104,391.22 × 43,805.88
  4. Step 4: Simplify right side
    75,629.16x = 4,572,949,256.37
  5. Step 5: Solve for x
    x = 4,572,949,256.37/75,629.16
  6. Step 6: Final answer
    x = 60,465.42

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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.