Home / 107,850.88-161,780.64-52,433.92

Finding the Fourth Proportional to 107,850.88, 161,780.64 and 52,433.92

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Solution

The fourth proportional to 107,850.88, 161,780.64 and 52,433.92 is: 78,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,850.88 : 161,780.64 = 52,433.92 : x
  2. Step 2: Convert to fraction form
    107,850.88/161,780.64 = 52,433.92/x
  3. Step 3: Cross multiply
    107,850.88x = 161,780.64 × 52,433.92
  4. Step 4: Simplify right side
    107,850.88x = 8,482,793,135.31
  5. Step 5: Solve for x
    x = 8,482,793,135.31/107,850.88
  6. Step 6: Final answer
    x = 78,652.98

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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.