Home / 107,566.20-161,327.70-51,406.20

Finding the Fourth Proportional to 107,566.20, 161,327.70 and 51,406.20

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Solution

The fourth proportional to 107,566.20, 161,327.70 and 51,406.20 is: 77,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,566.20 : 161,327.70 = 51,406.20 : x
  2. Step 2: Convert to fraction form
    107,566.20/161,327.70 = 51,406.20/x
  3. Step 3: Cross multiply
    107,566.20x = 161,327.70 × 51,406.20
  4. Step 4: Simplify right side
    107,566.20x = 8,293,244,011.74
  5. Step 5: Solve for x
    x = 8,293,244,011.74/107,566.20
  6. Step 6: Final answer
    x = 77,098.98

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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.