Home / 73,116.42-109,660.78-35,638.84

Finding the Fourth Proportional to 73,116.42, 109,660.78 and 35,638.84

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Solution

The fourth proportional to 73,116.42, 109,660.78 and 35,638.84 is: 53,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.42 : 109,660.78 = 35,638.84 : x
  2. Step 2: Convert to fraction form
    73,116.42/109,660.78 = 35,638.84/x
  3. Step 3: Cross multiply
    73,116.42x = 109,660.78 × 35,638.84
  4. Step 4: Simplify right side
    73,116.42x = 3,908,182,992.70
  5. Step 5: Solve for x
    x = 3,908,182,992.70/73,116.42
  6. Step 6: Final answer
    x = 53,451.51

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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.