Home / 69,921.30-96,491.57-38,090.43

Finding the Fourth Proportional to 69,921.30, 96,491.57 and 38,090.43

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Solution

The fourth proportional to 69,921.30, 96,491.57 and 38,090.43 is: 52,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,921.30 : 96,491.57 = 38,090.43 : x
  2. Step 2: Convert to fraction form
    69,921.30/96,491.57 = 38,090.43/x
  3. Step 3: Cross multiply
    69,921.30x = 96,491.57 × 38,090.43
  4. Step 4: Simplify right side
    69,921.30x = 3,675,405,202.22
  5. Step 5: Solve for x
    x = 3,675,405,202.22/69,921.30
  6. Step 6: Final answer
    x = 52,564.89

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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.