Home / 84,821.52-127,841.94-73,116.56

Finding the Fourth Proportional to 84,821.52, 127,841.94 and 73,116.56

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Solution

The fourth proportional to 84,821.52, 127,841.94 and 73,116.56 is: 110,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,821.52 : 127,841.94 = 73,116.56 : x
  2. Step 2: Convert to fraction form
    84,821.52/127,841.94 = 73,116.56/x
  3. Step 3: Cross multiply
    84,821.52x = 127,841.94 × 73,116.56
  4. Step 4: Simplify right side
    84,821.52x = 9,347,362,876.53
  5. Step 5: Solve for x
    x = 9,347,362,876.53/84,821.52
  6. Step 6: Final answer
    x = 110,200.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.