Home / 43,124.73-64,687.11-19,404.57

Finding the Fourth Proportional to 43,124.73, 64,687.11 and 19,404.57

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Solution

The fourth proportional to 43,124.73, 64,687.11 and 19,404.57 is: 29,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.73 : 64,687.11 = 19,404.57 : x
  2. Step 2: Convert to fraction form
    43,124.73/64,687.11 = 19,404.57/x
  3. Step 3: Cross multiply
    43,124.73x = 64,687.11 × 19,404.57
  4. Step 4: Simplify right side
    43,124.73x = 1,255,225,554.09
  5. Step 5: Solve for x
    x = 1,255,225,554.09/43,124.73
  6. Step 6: Final answer
    x = 29,106.86

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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.