Home / 87,647.96-131,426.92-40,222.23

Finding the Fourth Proportional to 87,647.96, 131,426.92 and 40,222.23

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Solution

The fourth proportional to 87,647.96, 131,426.92 and 40,222.23 is: 60,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,647.96 : 131,426.92 = 40,222.23 : x
  2. Step 2: Convert to fraction form
    87,647.96/131,426.92 = 40,222.23/x
  3. Step 3: Cross multiply
    87,647.96x = 131,426.92 × 40,222.23
  4. Step 4: Simplify right side
    87,647.96x = 5,286,283,703.88
  5. Step 5: Solve for x
    x = 5,286,283,703.88/87,647.96
  6. Step 6: Final answer
    x = 60,312.68

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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.