Home / 87,928.56-131,898.90-35,338.08

Finding the Fourth Proportional to 87,928.56, 131,898.90 and 35,338.08

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Solution

The fourth proportional to 87,928.56, 131,898.90 and 35,338.08 is: 53,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,928.56 : 131,898.90 = 35,338.08 : x
  2. Step 2: Convert to fraction form
    87,928.56/131,898.90 = 35,338.08/x
  3. Step 3: Cross multiply
    87,928.56x = 131,898.90 × 35,338.08
  4. Step 4: Simplify right side
    87,928.56x = 4,661,053,880.11
  5. Step 5: Solve for x
    x = 4,661,053,880.11/87,928.56
  6. Step 6: Final answer
    x = 53,009.56

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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.