Home / 80,688.76-111,336.90-44,874.04

Finding the Fourth Proportional to 80,688.76, 111,336.90 and 44,874.04

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Solution

The fourth proportional to 80,688.76, 111,336.90 and 44,874.04 is: 61,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,688.76 : 111,336.90 = 44,874.04 : x
  2. Step 2: Convert to fraction form
    80,688.76/111,336.90 = 44,874.04/x
  3. Step 3: Cross multiply
    80,688.76x = 111,336.90 × 44,874.04
  4. Step 4: Simplify right side
    80,688.76x = 4,996,136,504.08
  5. Step 5: Solve for x
    x = 4,996,136,504.08/80,688.76
  6. Step 6: Final answer
    x = 61,918.62

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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.