Home / 79,861.04-110,227.08-49,669.50

Finding the Fourth Proportional to 79,861.04, 110,227.08 and 49,669.50

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Solution

The fourth proportional to 79,861.04, 110,227.08 and 49,669.50 is: 68,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,861.04 : 110,227.08 = 49,669.50 : x
  2. Step 2: Convert to fraction form
    79,861.04/110,227.08 = 49,669.50/x
  3. Step 3: Cross multiply
    79,861.04x = 110,227.08 × 49,669.50
  4. Step 4: Simplify right side
    79,861.04x = 5,474,924,270.28
  5. Step 5: Solve for x
    x = 5,474,924,270.28/79,861.04
  6. Step 6: Final answer
    x = 68,555.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.