Home / 66,226.20-99,356.90-28,770.20

Finding the Fourth Proportional to 66,226.20, 99,356.90 and 28,770.20

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Solution

The fourth proportional to 66,226.20, 99,356.90 and 28,770.20 is: 43,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.20 : 99,356.90 = 28,770.20 : x
  2. Step 2: Convert to fraction form
    66,226.20/99,356.90 = 28,770.20/x
  3. Step 3: Cross multiply
    66,226.20x = 99,356.90 × 28,770.20
  4. Step 4: Simplify right side
    66,226.20x = 2,858,517,884.38
  5. Step 5: Solve for x
    x = 2,858,517,884.38/66,226.20
  6. Step 6: Final answer
    x = 43,162.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.