Home / 66,415.32-91,652.58-36,200.64

Finding the Fourth Proportional to 66,415.32, 91,652.58 and 36,200.64

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Solution

The fourth proportional to 66,415.32, 91,652.58 and 36,200.64 is: 49,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,415.32 : 91,652.58 = 36,200.64 : x
  2. Step 2: Convert to fraction form
    66,415.32/91,652.58 = 36,200.64/x
  3. Step 3: Cross multiply
    66,415.32x = 91,652.58 × 36,200.64
  4. Step 4: Simplify right side
    66,415.32x = 3,317,882,053.65
  5. Step 5: Solve for x
    x = 3,317,882,053.65/66,415.32
  6. Step 6: Final answer
    x = 49,956.58

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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.