Home / 84,962.76-117,138.42-54,693.96

Finding the Fourth Proportional to 84,962.76, 117,138.42 and 54,693.96

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Solution

The fourth proportional to 84,962.76, 117,138.42 and 54,693.96 is: 75,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,962.76 : 117,138.42 = 54,693.96 : x
  2. Step 2: Convert to fraction form
    84,962.76/117,138.42 = 54,693.96/x
  3. Step 3: Cross multiply
    84,962.76x = 117,138.42 × 54,693.96
  4. Step 4: Simplify right side
    84,962.76x = 6,406,764,057.94
  5. Step 5: Solve for x
    x = 6,406,764,057.94/84,962.76
  6. Step 6: Final answer
    x = 75,406.73

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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.