Home / 116,926.53-161,359.05-65,245.81

Finding the Fourth Proportional to 116,926.53, 161,359.05 and 65,245.81

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Solution

The fourth proportional to 116,926.53, 161,359.05 and 65,245.81 is: 90,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,926.53 : 161,359.05 = 65,245.81 : x
  2. Step 2: Convert to fraction form
    116,926.53/161,359.05 = 65,245.81/x
  3. Step 3: Cross multiply
    116,926.53x = 161,359.05 × 65,245.81
  4. Step 4: Simplify right side
    116,926.53x = 10,528,001,918.08
  5. Step 5: Solve for x
    x = 10,528,001,918.08/116,926.53
  6. Step 6: Final answer
    x = 90,039.46

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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.