Home / 116,795.88-161,190.27-71,503.83

Finding the Fourth Proportional to 116,795.88, 161,190.27 and 71,503.83

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Solution

The fourth proportional to 116,795.88, 161,190.27 and 71,503.83 is: 98,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,795.88 : 161,190.27 = 71,503.83 : x
  2. Step 2: Convert to fraction form
    116,795.88/161,190.27 = 71,503.83/x
  3. Step 3: Cross multiply
    116,795.88x = 161,190.27 × 71,503.83
  4. Step 4: Simplify right side
    116,795.88x = 11,525,721,663.73
  5. Step 5: Solve for x
    x = 11,525,721,663.73/116,795.88
  6. Step 6: Final answer
    x = 98,682.60

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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.