Home / 116,958.33-161,402.38-63,243.21

Finding the Fourth Proportional to 116,958.33, 161,402.38 and 63,243.21

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Solution

The fourth proportional to 116,958.33, 161,402.38 and 63,243.21 is: 87,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,958.33 : 161,402.38 = 63,243.21 : x
  2. Step 2: Convert to fraction form
    116,958.33/161,402.38 = 63,243.21/x
  3. Step 3: Cross multiply
    116,958.33x = 161,402.38 × 63,243.21
  4. Step 4: Simplify right side
    116,958.33x = 10,207,604,612.84
  5. Step 5: Solve for x
    x = 10,207,604,612.84/116,958.33
  6. Step 6: Final answer
    x = 87,275.57

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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.