Home / 117,277.29-161,842.59-68,869.62

Finding the Fourth Proportional to 117,277.29, 161,842.59 and 68,869.62

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Solution

The fourth proportional to 117,277.29, 161,842.59 and 68,869.62 is: 95,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,277.29 : 161,842.59 = 68,869.62 : x
  2. Step 2: Convert to fraction form
    117,277.29/161,842.59 = 68,869.62/x
  3. Step 3: Cross multiply
    117,277.29x = 161,842.59 × 68,869.62
  4. Step 4: Simplify right side
    117,277.29x = 11,146,037,673.12
  5. Step 5: Solve for x
    x = 11,146,037,673.12/117,277.29
  6. Step 6: Final answer
    x = 95,040.03

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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.