Home / 104,292.84-143,922.78-56,546.04

Finding the Fourth Proportional to 104,292.84, 143,922.78 and 56,546.04

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Solution

The fourth proportional to 104,292.84, 143,922.78 and 56,546.04 is: 78,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,292.84 : 143,922.78 = 56,546.04 : x
  2. Step 2: Convert to fraction form
    104,292.84/143,922.78 = 56,546.04/x
  3. Step 3: Cross multiply
    104,292.84x = 143,922.78 × 56,546.04
  4. Step 4: Simplify right side
    104,292.84x = 8,138,263,274.79
  5. Step 5: Solve for x
    x = 8,138,263,274.79/104,292.84
  6. Step 6: Final answer
    x = 78,032.81

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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.