Home / 66,396.42-91,624.73-36,181.13

Finding the Fourth Proportional to 66,396.42, 91,624.73 and 36,181.13

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Solution

The fourth proportional to 66,396.42, 91,624.73 and 36,181.13 is: 49,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,396.42 : 91,624.73 = 36,181.13 : x
  2. Step 2: Convert to fraction form
    66,396.42/91,624.73 = 36,181.13/x
  3. Step 3: Cross multiply
    66,396.42x = 91,624.73 × 36,181.13
  4. Step 4: Simplify right side
    66,396.42x = 3,315,086,267.34
  5. Step 5: Solve for x
    x = 3,315,086,267.34/66,396.42
  6. Step 6: Final answer
    x = 49,928.69

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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.