Home / 79,114.87-109,179.55-43,304.11

Finding the Fourth Proportional to 79,114.87, 109,179.55 and 43,304.11

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Solution

The fourth proportional to 79,114.87, 109,179.55 and 43,304.11 is: 59,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.87 : 109,179.55 = 43,304.11 : x
  2. Step 2: Convert to fraction form
    79,114.87/109,179.55 = 43,304.11/x
  3. Step 3: Cross multiply
    79,114.87x = 109,179.55 × 43,304.11
  4. Step 4: Simplify right side
    79,114.87x = 4,727,923,242.95
  5. Step 5: Solve for x
    x = 4,727,923,242.95/79,114.87
  6. Step 6: Final answer
    x = 59,760.24

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1.5x scale

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.