Home / 80,528.64-111,128.04-44,717.88

Finding the Fourth Proportional to 80,528.64, 111,128.04 and 44,717.88

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Solution

The fourth proportional to 80,528.64, 111,128.04 and 44,717.88 is: 61,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,528.64 : 111,128.04 = 44,717.88 : x
  2. Step 2: Convert to fraction form
    80,528.64/111,128.04 = 44,717.88/x
  3. Step 3: Cross multiply
    80,528.64x = 111,128.04 × 44,717.88
  4. Step 4: Simplify right side
    80,528.64x = 4,969,410,357.36
  5. Step 5: Solve for x
    x = 4,969,410,357.36/80,528.64
  6. Step 6: Final answer
    x = 61,709.85

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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.