Home / 87,975.32-131,962.37-35,384.04

Finding the Fourth Proportional to 87,975.32, 131,962.37 and 35,384.04

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Solution

The fourth proportional to 87,975.32, 131,962.37 and 35,384.04 is: 53,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,975.32 : 131,962.37 = 35,384.04 : x
  2. Step 2: Convert to fraction form
    87,975.32/131,962.37 = 35,384.04/x
  3. Step 3: Cross multiply
    87,975.32x = 131,962.37 × 35,384.04
  4. Step 4: Simplify right side
    87,975.32x = 4,669,361,601.65
  5. Step 5: Solve for x
    x = 4,669,361,601.65/87,975.32
  6. Step 6: Final answer
    x = 53,075.82

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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.