Home / 66,074.96-91,184.12-35,860.55

Finding the Fourth Proportional to 66,074.96, 91,184.12 and 35,860.55

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Solution

The fourth proportional to 66,074.96, 91,184.12 and 35,860.55 is: 49,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.96 : 91,184.12 = 35,860.55 : x
  2. Step 2: Convert to fraction form
    66,074.96/91,184.12 = 35,860.55/x
  3. Step 3: Cross multiply
    66,074.96x = 91,184.12 × 35,860.55
  4. Step 4: Simplify right side
    66,074.96x = 3,269,912,059.24
  5. Step 5: Solve for x
    x = 3,269,912,059.24/66,074.96
  6. Step 6: Final answer
    x = 49,487.92

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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.