Home / 67,620.74-93,285.18-43,755.12

Finding the Fourth Proportional to 67,620.74, 93,285.18 and 43,755.12

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Solution

The fourth proportional to 67,620.74, 93,285.18 and 43,755.12 is: 60,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,620.74 : 93,285.18 = 43,755.12 : x
  2. Step 2: Convert to fraction form
    67,620.74/93,285.18 = 43,755.12/x
  3. Step 3: Cross multiply
    67,620.74x = 93,285.18 × 43,755.12
  4. Step 4: Simplify right side
    67,620.74x = 4,081,704,245.12
  5. Step 5: Solve for x
    x = 4,081,704,245.12/67,620.74
  6. Step 6: Final answer
    x = 60,361.72

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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.