Home / 87,864.48-131,928.24-76,054.80

Finding the Fourth Proportional to 87,864.48, 131,928.24 and 76,054.80

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Solution

The fourth proportional to 87,864.48, 131,928.24 and 76,054.80 is: 114,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,864.48 : 131,928.24 = 76,054.80 : x
  2. Step 2: Convert to fraction form
    87,864.48/131,928.24 = 76,054.80/x
  3. Step 3: Cross multiply
    87,864.48x = 131,928.24 × 76,054.80
  4. Step 4: Simplify right side
    87,864.48x = 10,033,775,907.55
  5. Step 5: Solve for x
    x = 10,033,775,907.55/87,864.48
  6. Step 6: Final answer
    x = 114,196.04

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1.5x scale

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.