Home / 116,387.47-174,236.75-71,871.09

Finding the Fourth Proportional to 116,387.47, 174,236.75 and 71,871.09

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Solution

The fourth proportional to 116,387.47, 174,236.75 and 71,871.09 is: 107,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,387.47 : 174,236.75 = 71,871.09 : x
  2. Step 2: Convert to fraction form
    116,387.47/174,236.75 = 71,871.09/x
  3. Step 3: Cross multiply
    116,387.47x = 174,236.75 × 71,871.09
  4. Step 4: Simplify right side
    116,387.47x = 12,522,585,140.56
  5. Step 5: Solve for x
    x = 12,522,585,140.56/116,387.47
  6. Step 6: Final answer
    x = 107,593.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.