Home / 109,035.45-150,446.84-63,704.68

Finding the Fourth Proportional to 109,035.45, 150,446.84 and 63,704.68

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Solution

The fourth proportional to 109,035.45, 150,446.84 and 63,704.68 is: 87,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,035.45 : 150,446.84 = 63,704.68 : x
  2. Step 2: Convert to fraction form
    109,035.45/150,446.84 = 63,704.68/x
  3. Step 3: Cross multiply
    109,035.45x = 150,446.84 × 63,704.68
  4. Step 4: Simplify right side
    109,035.45x = 9,584,167,104.57
  5. Step 5: Solve for x
    x = 9,584,167,104.57/109,035.45
  6. Step 6: Final answer
    x = 87,899.55

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1.5x scale

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.