Home / 87,960.56-131,946.96-35,370.08

Finding the Fourth Proportional to 87,960.56, 131,946.96 and 35,370.08

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Solution

The fourth proportional to 87,960.56, 131,946.96 and 35,370.08 is: 53,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960.56 : 131,946.96 = 35,370.08 : x
  2. Step 2: Convert to fraction form
    87,960.56/131,946.96 = 35,370.08/x
  3. Step 3: Cross multiply
    87,960.56x = 131,946.96 × 35,370.08
  4. Step 4: Simplify right side
    87,960.56x = 4,666,974,530.96
  5. Step 5: Solve for x
    x = 4,666,974,530.96/87,960.56
  6. Step 6: Final answer
    x = 53,057.58

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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.