Home / 116,959.08-161,403.40-63,243.96

Finding the Fourth Proportional to 116,959.08, 161,403.40 and 63,243.96

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Solution

The fourth proportional to 116,959.08, 161,403.40 and 63,243.96 is: 87,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,959.08 : 161,403.40 = 63,243.96 : x
  2. Step 2: Convert to fraction form
    116,959.08/161,403.40 = 63,243.96/x
  3. Step 3: Cross multiply
    116,959.08x = 161,403.40 × 63,243.96
  4. Step 4: Simplify right side
    116,959.08x = 10,207,790,173.46
  5. Step 5: Solve for x
    x = 10,207,790,173.46/116,959.08
  6. Step 6: Final answer
    x = 87,276.59

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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.