Home / 66,328.20-91,529.94-36,112.74

Finding the Fourth Proportional to 66,328.20, 91,529.94 and 36,112.74

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Solution

The fourth proportional to 66,328.20, 91,529.94 and 36,112.74 is: 49,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.20 : 91,529.94 = 36,112.74 : x
  2. Step 2: Convert to fraction form
    66,328.20/91,529.94 = 36,112.74/x
  3. Step 3: Cross multiply
    66,328.20x = 91,529.94 × 36,112.74
  4. Step 4: Simplify right side
    66,328.20x = 3,305,396,925.44
  5. Step 5: Solve for x
    x = 3,305,396,925.44/66,328.20
  6. Step 6: Final answer
    x = 49,833.96

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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.