Home / 84,930.76-117,094.26-54,661.96

Finding the Fourth Proportional to 84,930.76, 117,094.26 and 54,661.96

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Solution

The fourth proportional to 84,930.76, 117,094.26 and 54,661.96 is: 75,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,930.76 : 117,094.26 = 54,661.96 : x
  2. Step 2: Convert to fraction form
    84,930.76/117,094.26 = 54,661.96/x
  3. Step 3: Cross multiply
    84,930.76x = 117,094.26 × 54,661.96
  4. Step 4: Simplify right side
    84,930.76x = 6,400,601,756.35
  5. Step 5: Solve for x
    x = 6,400,601,756.35/84,930.76
  6. Step 6: Final answer
    x = 75,362.59

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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.