Home / 43,404.75-65,107.06-28,505.93

Finding the Fourth Proportional to 43,404.75, 65,107.06 and 28,505.93

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Solution

The fourth proportional to 43,404.75, 65,107.06 and 28,505.93 is: 42,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.75 : 65,107.06 = 28,505.93 : x
  2. Step 2: Convert to fraction form
    43,404.75/65,107.06 = 28,505.93/x
  3. Step 3: Cross multiply
    43,404.75x = 65,107.06 × 28,505.93
  4. Step 4: Simplify right side
    43,404.75x = 1,855,936,898.07
  5. Step 5: Solve for x
    x = 1,855,936,898.07/43,404.75
  6. Step 6: Final answer
    x = 42,758.84

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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.