Home / 66,975.12-92,425.28-36,759.68

Finding the Fourth Proportional to 66,975.12, 92,425.28 and 36,759.68

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Solution

The fourth proportional to 66,975.12, 92,425.28 and 36,759.68 is: 50,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,975.12 : 92,425.28 = 36,759.68 : x
  2. Step 2: Convert to fraction form
    66,975.12/92,425.28 = 36,759.68/x
  3. Step 3: Cross multiply
    66,975.12x = 92,425.28 × 36,759.68
  4. Step 4: Simplify right side
    66,975.12x = 3,397,523,716.71
  5. Step 5: Solve for x
    x = 3,397,523,716.71/66,975.12
  6. Step 6: Final answer
    x = 50,728.15

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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.