Home / 129,072.56-193,631.40-58,958.96

Finding the Fourth Proportional to 129,072.56, 193,631.40 and 58,958.96

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Solution

The fourth proportional to 129,072.56, 193,631.40 and 58,958.96 is: 88,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,072.56 : 193,631.40 = 58,958.96 : x
  2. Step 2: Convert to fraction form
    129,072.56/193,631.40 = 58,958.96/x
  3. Step 3: Cross multiply
    129,072.56x = 193,631.40 × 58,958.96
  4. Step 4: Simplify right side
    129,072.56x = 11,416,305,967.34
  5. Step 5: Solve for x
    x = 11,416,305,967.34/129,072.56
  6. Step 6: Final answer
    x = 88,448.75

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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.