Home / 71,922.33-99,251.73-40,090.41

Finding the Fourth Proportional to 71,922.33, 99,251.73 and 40,090.41

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Solution

The fourth proportional to 71,922.33, 99,251.73 and 40,090.41 is: 55,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922.33 : 99,251.73 = 40,090.41 : x
  2. Step 2: Convert to fraction form
    71,922.33/99,251.73 = 40,090.41/x
  3. Step 3: Cross multiply
    71,922.33x = 99,251.73 × 40,090.41
  4. Step 4: Simplify right side
    71,922.33x = 3,979,042,548.91
  5. Step 5: Solve for x
    x = 3,979,042,548.91/71,922.33
  6. Step 6: Final answer
    x = 55,324.16

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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.