Home / 84,445.70-116,554.56-55,771.06

Finding the Fourth Proportional to 84,445.70, 116,554.56 and 55,771.06

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Solution

The fourth proportional to 84,445.70, 116,554.56 and 55,771.06 is: 76,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,445.70 : 116,554.56 = 55,771.06 : x
  2. Step 2: Convert to fraction form
    84,445.70/116,554.56 = 55,771.06/x
  3. Step 3: Cross multiply
    84,445.70x = 116,554.56 × 55,771.06
  4. Step 4: Simplify right side
    84,445.70x = 6,500,371,359.03
  5. Step 5: Solve for x
    x = 6,500,371,359.03/84,445.70
  6. Step 6: Final answer
    x = 76,976.94

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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.