Home / 76,947.54-106,174.83-51,412.95

Finding the Fourth Proportional to 76,947.54, 106,174.83 and 51,412.95

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Solution

The fourth proportional to 76,947.54, 106,174.83 and 51,412.95 is: 70,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,947.54 : 106,174.83 = 51,412.95 : x
  2. Step 2: Convert to fraction form
    76,947.54/106,174.83 = 51,412.95/x
  3. Step 3: Cross multiply
    76,947.54x = 106,174.83 × 51,412.95
  4. Step 4: Simplify right side
    76,947.54x = 5,458,761,226.05
  5. Step 5: Solve for x
    x = 5,458,761,226.05/76,947.54
  6. Step 6: Final answer
    x = 70,941.34

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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.