Home / 116,839.67-161,049.85-91,301.66

Finding the Fourth Proportional to 116,839.67, 161,049.85 and 91,301.66

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Solution

The fourth proportional to 116,839.67, 161,049.85 and 91,301.66 is: 125,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,839.67 : 161,049.85 = 91,301.66 : x
  2. Step 2: Convert to fraction form
    116,839.67/161,049.85 = 91,301.66/x
  3. Step 3: Cross multiply
    116,839.67x = 161,049.85 × 91,301.66
  4. Step 4: Simplify right side
    116,839.67x = 14,704,118,674.69
  5. Step 5: Solve for x
    x = 14,704,118,674.69/116,839.67
  6. Step 6: Final answer
    x = 125,848.69

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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.