Home / 80,025.78-110,432.61-44,215.02

Finding the Fourth Proportional to 80,025.78, 110,432.61 and 44,215.02

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Solution

The fourth proportional to 80,025.78, 110,432.61 and 44,215.02 is: 61,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,025.78 : 110,432.61 = 44,215.02 : x
  2. Step 2: Convert to fraction form
    80,025.78/110,432.61 = 44,215.02/x
  3. Step 3: Cross multiply
    80,025.78x = 110,432.61 × 44,215.02
  4. Step 4: Simplify right side
    80,025.78x = 4,882,780,059.80
  5. Step 5: Solve for x
    x = 4,882,780,059.80/80,025.78
  6. Step 6: Final answer
    x = 61,015.09

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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.