Home / 80,529.48-111,134.39-44,719.64

Finding the Fourth Proportional to 80,529.48, 111,134.39 and 44,719.64

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Solution

The fourth proportional to 80,529.48, 111,134.39 and 44,719.64 is: 61,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,529.48 : 111,134.39 = 44,719.64 : x
  2. Step 2: Convert to fraction form
    80,529.48/111,134.39 = 44,719.64/x
  3. Step 3: Cross multiply
    80,529.48x = 111,134.39 × 44,719.64
  4. Step 4: Simplify right side
    80,529.48x = 4,969,889,133.15
  5. Step 5: Solve for x
    x = 4,969,889,133.15/80,529.48
  6. Step 6: Final answer
    x = 61,715.15

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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.