Home / 87,923.90-131,942.55-48,509.30

Finding the Fourth Proportional to 87,923.90, 131,942.55 and 48,509.30

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Solution

The fourth proportional to 87,923.90, 131,942.55 and 48,509.30 is: 72,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.90 : 131,942.55 = 48,509.30 : x
  2. Step 2: Convert to fraction form
    87,923.90/131,942.55 = 48,509.30/x
  3. Step 3: Cross multiply
    87,923.90x = 131,942.55 × 48,509.30
  4. Step 4: Simplify right side
    87,923.90x = 6,400,440,740.72
  5. Step 5: Solve for x
    x = 6,400,440,740.72/87,923.90
  6. Step 6: Final answer
    x = 72,795.23

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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.