Home / 80,489.04-111,069.64-44,679.06

Finding the Fourth Proportional to 80,489.04, 111,069.64 and 44,679.06

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Solution

The fourth proportional to 80,489.04, 111,069.64 and 44,679.06 is: 61,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,489.04 : 111,069.64 = 44,679.06 : x
  2. Step 2: Convert to fraction form
    80,489.04/111,069.64 = 44,679.06/x
  3. Step 3: Cross multiply
    80,489.04x = 111,069.64 × 44,679.06
  4. Step 4: Simplify right side
    80,489.04x = 4,962,487,109.74
  5. Step 5: Solve for x
    x = 4,962,487,109.74/80,489.04
  6. Step 6: Final answer
    x = 61,654.20

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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.