Home / 84,376.44-126,761.52-49,340.76

Finding the Fourth Proportional to 84,376.44, 126,761.52 and 49,340.76

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Solution

The fourth proportional to 84,376.44, 126,761.52 and 49,340.76 is: 74,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,376.44 : 126,761.52 = 49,340.76 : x
  2. Step 2: Convert to fraction form
    84,376.44/126,761.52 = 49,340.76/x
  3. Step 3: Cross multiply
    84,376.44x = 126,761.52 × 49,340.76
  4. Step 4: Simplify right side
    84,376.44x = 6,254,509,735.56
  5. Step 5: Solve for x
    x = 6,254,509,735.56/84,376.44
  6. Step 6: Final answer
    x = 74,126.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.