Home / 84,090.81-116,046.23-45,850.05

Finding the Fourth Proportional to 84,090.81, 116,046.23 and 45,850.05

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Solution

The fourth proportional to 84,090.81, 116,046.23 and 45,850.05 is: 63,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.81 : 116,046.23 = 45,850.05 : x
  2. Step 2: Convert to fraction form
    84,090.81/116,046.23 = 45,850.05/x
  3. Step 3: Cross multiply
    84,090.81x = 116,046.23 × 45,850.05
  4. Step 4: Simplify right side
    84,090.81x = 5,320,725,218.56
  5. Step 5: Solve for x
    x = 5,320,725,218.56/84,090.81
  6. Step 6: Final answer
    x = 63,273.56

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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.