Home / 87,933.60-131,900.40-35,343.12

Finding the Fourth Proportional to 87,933.60, 131,900.40 and 35,343.12

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Solution

The fourth proportional to 87,933.60, 131,900.40 and 35,343.12 is: 53,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.60 : 131,900.40 = 35,343.12 : x
  2. Step 2: Convert to fraction form
    87,933.60/131,900.40 = 35,343.12/x
  3. Step 3: Cross multiply
    87,933.60x = 131,900.40 × 35,343.12
  4. Step 4: Simplify right side
    87,933.60x = 4,661,771,665.25
  5. Step 5: Solve for x
    x = 4,661,771,665.25/87,933.60
  6. Step 6: Final answer
    x = 53,014.68

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1.5x scale

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.