Home / 80,612.36-111,244.26-44,801.61

Finding the Fourth Proportional to 80,612.36, 111,244.26 and 44,801.61

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Solution

The fourth proportional to 80,612.36, 111,244.26 and 44,801.61 is: 61,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,612.36 : 111,244.26 = 44,801.61 : x
  2. Step 2: Convert to fraction form
    80,612.36/111,244.26 = 44,801.61/x
  3. Step 3: Cross multiply
    80,612.36x = 111,244.26 × 44,801.61
  4. Step 4: Simplify right side
    80,612.36x = 4,983,921,576.09
  5. Step 5: Solve for x
    x = 4,983,921,576.09/80,612.36
  6. Step 6: Final answer
    x = 61,825.77

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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.