Home / 90,516.90-135,553.68-63,797.16

Finding the Fourth Proportional to 90,516.90, 135,553.68 and 63,797.16

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Solution

The fourth proportional to 90,516.90, 135,553.68 and 63,797.16 is: 95,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,516.90 : 135,553.68 = 63,797.16 : x
  2. Step 2: Convert to fraction form
    90,516.90/135,553.68 = 63,797.16/x
  3. Step 3: Cross multiply
    90,516.90x = 135,553.68 × 63,797.16
  4. Step 4: Simplify right side
    90,516.90x = 8,647,939,811.55
  5. Step 5: Solve for x
    x = 8,647,939,811.55/90,516.90
  6. Step 6: Final answer
    x = 95,539.50

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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.