Home / 84,173.20-116,171.60-53,992.56

Finding the Fourth Proportional to 84,173.20, 116,171.60 and 53,992.56

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Solution

The fourth proportional to 84,173.20, 116,171.60 and 53,992.56 is: 74,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,173.20 : 116,171.60 = 53,992.56 : x
  2. Step 2: Convert to fraction form
    84,173.20/116,171.60 = 53,992.56/x
  3. Step 3: Cross multiply
    84,173.20x = 116,171.60 × 53,992.56
  4. Step 4: Simplify right side
    84,173.20x = 6,272,402,083.30
  5. Step 5: Solve for x
    x = 6,272,402,083.30/84,173.20
  6. Step 6: Final answer
    x = 74,517.80

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1.5x scale

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.