Home / 80,554.60-111,170.66-48,724.84

Finding the Fourth Proportional to 80,554.60, 111,170.66 and 48,724.84

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Solution

The fourth proportional to 80,554.60, 111,170.66 and 48,724.84 is: 67,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,554.60 : 111,170.66 = 48,724.84 : x
  2. Step 2: Convert to fraction form
    80,554.60/111,170.66 = 48,724.84/x
  3. Step 3: Cross multiply
    80,554.60x = 111,170.66 × 48,724.84
  4. Step 4: Simplify right side
    80,554.60x = 5,416,772,621.19
  5. Step 5: Solve for x
    x = 5,416,772,621.19/80,554.60
  6. Step 6: Final answer
    x = 67,243.49

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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.