Home / 116,991.59-161,444.67-66,003.64

Finding the Fourth Proportional to 116,991.59, 161,444.67 and 66,003.64

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Solution

The fourth proportional to 116,991.59, 161,444.67 and 66,003.64 is: 91,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,991.59 : 161,444.67 = 66,003.64 : x
  2. Step 2: Convert to fraction form
    116,991.59/161,444.67 = 66,003.64/x
  3. Step 3: Cross multiply
    116,991.59x = 161,444.67 × 66,003.64
  4. Step 4: Simplify right side
    116,991.59x = 10,655,935,227.47
  5. Step 5: Solve for x
    x = 10,655,935,227.47/116,991.59
  6. Step 6: Final answer
    x = 91,082.92

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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.