Home / 107,889.35-161,835.53-41,332.86

Finding the Fourth Proportional to 107,889.35, 161,835.53 and 41,332.86

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Solution

The fourth proportional to 107,889.35, 161,835.53 and 41,332.86 is: 61,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,889.35 : 161,835.53 = 41,332.86 : x
  2. Step 2: Convert to fraction form
    107,889.35/161,835.53 = 41,332.86/x
  3. Step 3: Cross multiply
    107,889.35x = 161,835.53 × 41,332.86
  4. Step 4: Simplify right side
    107,889.35x = 6,689,125,097.85
  5. Step 5: Solve for x
    x = 6,689,125,097.85/107,889.35
  6. Step 6: Final answer
    x = 61,999.87

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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.