Home / 107,584.20-161,354.70-51,424.20

Finding the Fourth Proportional to 107,584.20, 161,354.70 and 51,424.20

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Solution

The fourth proportional to 107,584.20, 161,354.70 and 51,424.20 is: 77,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,584.20 : 161,354.70 = 51,424.20 : x
  2. Step 2: Convert to fraction form
    107,584.20/161,354.70 = 51,424.20/x
  3. Step 3: Cross multiply
    107,584.20x = 161,354.70 × 51,424.20
  4. Step 4: Simplify right side
    107,584.20x = 8,297,536,363.74
  5. Step 5: Solve for x
    x = 8,297,536,363.74/107,584.20
  6. Step 6: Final answer
    x = 77,125.98

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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.