Home / 80,215.38-110,700.54-44,404.74

Finding the Fourth Proportional to 80,215.38, 110,700.54 and 44,404.74

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Solution

The fourth proportional to 80,215.38, 110,700.54 and 44,404.74 is: 61,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,215.38 : 110,700.54 = 44,404.74 : x
  2. Step 2: Convert to fraction form
    80,215.38/110,700.54 = 44,404.74/x
  3. Step 3: Cross multiply
    80,215.38x = 110,700.54 × 44,404.74
  4. Step 4: Simplify right side
    80,215.38x = 4,915,628,696.56
  5. Step 5: Solve for x
    x = 4,915,628,696.56/80,215.38
  6. Step 6: Final answer
    x = 61,280.38

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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.