Home / 83,958.08-115,861.96-45,717.03

Finding the Fourth Proportional to 83,958.08, 115,861.96 and 45,717.03

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Solution

The fourth proportional to 83,958.08, 115,861.96 and 45,717.03 is: 63,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,958.08 : 115,861.96 = 45,717.03 : x
  2. Step 2: Convert to fraction form
    83,958.08/115,861.96 = 45,717.03/x
  3. Step 3: Cross multiply
    83,958.08x = 115,861.96 × 45,717.03
  4. Step 4: Simplify right side
    83,958.08x = 5,296,864,758.33
  5. Step 5: Solve for x
    x = 5,296,864,758.33/83,958.08
  6. Step 6: Final answer
    x = 63,089.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.