Home / 112,923.82-169,420.81-67,994.64

Finding the Fourth Proportional to 112,923.82, 169,420.81 and 67,994.64

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Solution

The fourth proportional to 112,923.82, 169,420.81 and 67,994.64 is: 102,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,923.82 : 169,420.81 = 67,994.64 : x
  2. Step 2: Convert to fraction form
    112,923.82/169,420.81 = 67,994.64/x
  3. Step 3: Cross multiply
    112,923.82x = 169,420.81 × 67,994.64
  4. Step 4: Simplify right side
    112,923.82x = 11,519,705,797.38
  5. Step 5: Solve for x
    x = 11,519,705,797.38/112,923.82
  6. Step 6: Final answer
    x = 102,013.08

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1.5x scale

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.