Home / 80,164.20-110,605.83-47,885.61

Finding the Fourth Proportional to 80,164.20, 110,605.83 and 47,885.61

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Solution

The fourth proportional to 80,164.20, 110,605.83 and 47,885.61 is: 66,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,164.20 : 110,605.83 = 47,885.61 : x
  2. Step 2: Convert to fraction form
    80,164.20/110,605.83 = 47,885.61/x
  3. Step 3: Cross multiply
    80,164.20x = 110,605.83 × 47,885.61
  4. Step 4: Simplify right side
    80,164.20x = 5,296,427,639.11
  5. Step 5: Solve for x
    x = 5,296,427,639.11/80,164.20
  6. Step 6: Final answer
    x = 66,069.74

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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.