Home / 80,529.64-111,129.42-44,718.88

Finding the Fourth Proportional to 80,529.64, 111,129.42 and 44,718.88

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Solution

The fourth proportional to 80,529.64, 111,129.42 and 44,718.88 is: 61,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,529.64 : 111,129.42 = 44,718.88 : x
  2. Step 2: Convert to fraction form
    80,529.64/111,129.42 = 44,718.88/x
  3. Step 3: Cross multiply
    80,529.64x = 111,129.42 × 44,718.88
  4. Step 4: Simplify right side
    80,529.64x = 4,969,583,197.45
  5. Step 5: Solve for x
    x = 4,969,583,197.45/80,529.64
  6. Step 6: Final answer
    x = 61,711.23

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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.