Home / 87,926.60-131,751.60-67,984.81

Finding the Fourth Proportional to 87,926.60, 131,751.60 and 67,984.81

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Solution

The fourth proportional to 87,926.60, 131,751.60 and 67,984.81 is: 101,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,926.60 : 131,751.60 = 67,984.81 : x
  2. Step 2: Convert to fraction form
    87,926.60/131,751.60 = 67,984.81/x
  3. Step 3: Cross multiply
    87,926.60x = 131,751.60 × 67,984.81
  4. Step 4: Simplify right side
    87,926.60x = 8,957,106,908.87
  5. Step 5: Solve for x
    x = 8,957,106,908.87/87,926.60
  6. Step 6: Final answer
    x = 101,870.27

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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.