Home / 80,725.96-111,354.42-52,450.36

Finding the Fourth Proportional to 80,725.96, 111,354.42 and 52,450.36

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Solution

The fourth proportional to 80,725.96, 111,354.42 and 52,450.36 is: 72,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,725.96 : 111,354.42 = 52,450.36 : x
  2. Step 2: Convert to fraction form
    80,725.96/111,354.42 = 52,450.36/x
  3. Step 3: Cross multiply
    80,725.96x = 111,354.42 × 52,450.36
  4. Step 4: Simplify right side
    80,725.96x = 5,840,579,416.59
  5. Step 5: Solve for x
    x = 5,840,579,416.59/80,725.96
  6. Step 6: Final answer
    x = 72,350.70

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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.