Home / 120,974.48-166,944.84-69,994.16

Finding the Fourth Proportional to 120,974.48, 166,944.84 and 69,994.16

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Solution

The fourth proportional to 120,974.48, 166,944.84 and 69,994.16 is: 96,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,974.48 : 166,944.84 = 69,994.16 : x
  2. Step 2: Convert to fraction form
    120,974.48/166,944.84 = 69,994.16/x
  3. Step 3: Cross multiply
    120,974.48x = 166,944.84 × 69,994.16
  4. Step 4: Simplify right side
    120,974.48x = 11,685,163,842.13
  5. Step 5: Solve for x
    x = 11,685,163,842.13/120,974.48
  6. Step 6: Final answer
    x = 96,591.97

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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.