Home / 105,747.46-158,636.21-34,654.86

Finding the Fourth Proportional to 105,747.46, 158,636.21 and 34,654.86

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Solution

The fourth proportional to 105,747.46, 158,636.21 and 34,654.86 is: 51,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,747.46 : 158,636.21 = 34,654.86 : x
  2. Step 2: Convert to fraction form
    105,747.46/158,636.21 = 34,654.86/x
  3. Step 3: Cross multiply
    105,747.46x = 158,636.21 × 34,654.86
  4. Step 4: Simplify right side
    105,747.46x = 5,497,515,475.21
  5. Step 5: Solve for x
    x = 5,497,515,475.21/105,747.46
  6. Step 6: Final answer
    x = 51,987.21

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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.