Home / 50,759.62-75,973.83-45,909.70

Finding the Fourth Proportional to 50,759.62, 75,973.83 and 45,909.70

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Solution

The fourth proportional to 50,759.62, 75,973.83 and 45,909.70 is: 68,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,759.62 : 75,973.83 = 45,909.70 : x
  2. Step 2: Convert to fraction form
    50,759.62/75,973.83 = 45,909.70/x
  3. Step 3: Cross multiply
    50,759.62x = 75,973.83 × 45,909.70
  4. Step 4: Simplify right side
    50,759.62x = 3,487,935,743.15
  5. Step 5: Solve for x
    x = 3,487,935,743.15/50,759.62
  6. Step 6: Final answer
    x = 68,714.77

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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.