Home / 83,416.96-125,052.12-43,351.60

Finding the Fourth Proportional to 83,416.96, 125,052.12 and 43,351.60

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Solution

The fourth proportional to 83,416.96, 125,052.12 and 43,351.60 is: 64,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,416.96 : 125,052.12 = 43,351.60 : x
  2. Step 2: Convert to fraction form
    83,416.96/125,052.12 = 43,351.60/x
  3. Step 3: Cross multiply
    83,416.96x = 125,052.12 × 43,351.60
  4. Step 4: Simplify right side
    83,416.96x = 5,421,209,485.39
  5. Step 5: Solve for x
    x = 5,421,209,485.39/83,416.96
  6. Step 6: Final answer
    x = 64,989.30

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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.