Home / 116,769.30-161,171.70-76,035.10

Finding the Fourth Proportional to 116,769.30, 161,171.70 and 76,035.10

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Solution

The fourth proportional to 116,769.30, 161,171.70 and 76,035.10 is: 104,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,769.30 : 161,171.70 = 76,035.10 : x
  2. Step 2: Convert to fraction form
    116,769.30/161,171.70 = 76,035.10/x
  3. Step 3: Cross multiply
    116,769.30x = 161,171.70 × 76,035.10
  4. Step 4: Simplify right side
    116,769.30x = 12,254,706,326.67
  5. Step 5: Solve for x
    x = 12,254,706,326.67/116,769.30
  6. Step 6: Final answer
    x = 104,948.02

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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.