Home / 107,714.70-161,572.05-41,120.55

Finding the Fourth Proportional to 107,714.70, 161,572.05 and 41,120.55

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Solution

The fourth proportional to 107,714.70, 161,572.05 and 41,120.55 is: 61,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,714.70 : 161,572.05 = 41,120.55 : x
  2. Step 2: Convert to fraction form
    107,714.70/161,572.05 = 41,120.55/x
  3. Step 3: Cross multiply
    107,714.70x = 161,572.05 × 41,120.55
  4. Step 4: Simplify right side
    107,714.70x = 6,643,931,560.63
  5. Step 5: Solve for x
    x = 6,643,931,560.63/107,714.70
  6. Step 6: Final answer
    x = 61,680.83

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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.