Home / 116,884.68-161,261.46-66,548.04

Finding the Fourth Proportional to 116,884.68, 161,261.46 and 66,548.04

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Solution

The fourth proportional to 116,884.68, 161,261.46 and 66,548.04 is: 91,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,884.68 : 161,261.46 = 66,548.04 : x
  2. Step 2: Convert to fraction form
    116,884.68/161,261.46 = 66,548.04/x
  3. Step 3: Cross multiply
    116,884.68x = 161,261.46 × 66,548.04
  4. Step 4: Simplify right side
    116,884.68x = 10,731,634,090.54
  5. Step 5: Solve for x
    x = 10,731,634,090.54/116,884.68
  6. Step 6: Final answer
    x = 91,813.86

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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.