Home / 87,861.58-131,666.16-49,940.98

Finding the Fourth Proportional to 87,861.58, 131,666.16 and 49,940.98

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Solution

The fourth proportional to 87,861.58, 131,666.16 and 49,940.98 is: 74,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,861.58 : 131,666.16 = 49,940.98 : x
  2. Step 2: Convert to fraction form
    87,861.58/131,666.16 = 49,940.98/x
  3. Step 3: Cross multiply
    87,861.58x = 131,666.16 × 49,940.98
  4. Step 4: Simplify right side
    87,861.58x = 6,575,537,063.24
  5. Step 5: Solve for x
    x = 6,575,537,063.24/87,861.58
  6. Step 6: Final answer
    x = 74,839.73

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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.